Difference between revisions of "Scilab/C2/The-amazing-resource-of-Scilab-Textbook-Companion/English"

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|that good documents are missing that solution is called Textbook Companion or TBC in short.
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|That good documents are missing that solution is called Textbook Companion or TBC in short.
  
 
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|but India has about 10 Lakhs engineering students every year.  
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|But India has about 10 Lakhs engineering students every year.  
  
 
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|what is the inverse problem ask the student to write code for existing documents.
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|What is the inverse problem ask the student to write code for existing documents.
  
 
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| okay for student of course textbooks are the best documents.  
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|Okay for student of course textbooks are the best documents.  
  
 
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|you get one text book companion and we pay Rupees 12000Rs for 1 textbook companion as honorarium.
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|You get one text book companion and we pay Rupees 12000Rs for 1 textbook companion as honorarium.
  
 
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|02:08
 
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| We also give certificate and we also give link for it.
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|We also give certificate and we also give link for it.
  
 
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|02:12
 
|02:12
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| As matter of fact there is one student from IIT Madras he wrote to us saying that thanks to this textbook companion.
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|As matter of fact there is one student from IIT Madras he wrote to us saying that thanks to this textbook companion.
  
 
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|02:22
 
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|he got an internship in a Japanese company So he was very happy about it.  
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|He got an internship in a Japanese company So he was very happy about it.  
  
 
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|02:28
 
|02:28
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|funding for this comes from the funds the grant that we received from national mission on education through ICT MHRD.
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|Funding for this comes from the funds the grant that we received from national mission on education through ICT MHRD.
  
 
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|which has been very generous in supporting this activities.
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|Which has been very generous in supporting this activities.
  
 
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|some text book have actually more than 100 examples so we have 70,000 example coded.
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|Some text book have actually more than 100 examples so we have 70,000 example coded.
  
 
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| By the way the software Scilab is not created by us Scilab is infact we have given a disclaimer also that it's ofcourse  
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|By the way the software Scilab is not created by us Scilab is infact we have given a disclaimer also that it's ofcourse  
  
 
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|-
 
|03:56
 
|03:56
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|we have said that its trademark of Inria and Scilab Enterprises and it has been now bought over by a company.
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|We have said that its trademark of Inria and Scilab Enterprises and it has been now bought over by a company.
  
 
|-
 
|-
 
|04:07
 
|04:07
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|and I will show the link for that here but let's come here lets come back to the page and  
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|And I will show the link for that here but let's come here lets come back to the page and  
  
 
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|-
 
|04:29
 
|04:29
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|let's go to textbook companion project and you have something called completed book.
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|Let's go to textbook companion project and you have something called completed book.
  
 
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|let me choose electrical engineering for example and in that let me choose there are more here signal processing.
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|Let me choose electrical engineering for example and in that let me choose there are more here signal processing.
  
 
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|05:40
 
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|we are only giving scilab code to understand that code you need the book as a result.
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|We are only giving scilab code to understand that code you need the book as a result.
  
 
|-
 
|-
 
|05:47
 
|05:47
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| This is a true textbook companion it only give Scilab code
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|This is a true textbook companion it only give Scilab code
  
 
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|-
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|06:03
 
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|so here, if you click this you can download entire Scilab code.  
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|So here, if you click this you can download entire Scilab code.  
  
 
|-
 
|-
 
|06:11
 
|06:11
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|if you click here you can get the PDF lets click this and see what it has so it's downloaded here.
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|If you click here you can get the PDF lets click this and see what it has so it's downloaded here.
  
 
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|-
 
|06:19
 
|06:19
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|so here you are this is created by Prof Senthilkumar from IRTT in Erode he is a college teacher.
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|So here you are this is created by Prof Senthilkumar from IRTT in Erode he is a college teacher.
  
 
|-
 
|-
 
|06:29
 
|06:29
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|and let's go down So it has all the example by chapter.
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|And let's go down So it has all the example by chapter.
  
 
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| let me click this there it is example 2.1.09
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|let me click this there it is example 2.1.09
  
 
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|07:10
 
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| what is given in the book is not reproduced here as a result there is no copyright violation at all as matter of fact.
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|What is given in the book is not reproduced here as a result there is no copyright violation at all as matter of fact.
  
 
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|07:32
 
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|but we have given scilab code and we have given it for 600 close to 600 books infact 594 as of now.
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|But we have given scilab code and we have given it for 600 close to 600 books infact 594 as of now.
  
 
|-
 
|-
 
|07:41
 
|07:41
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|and there are some more book in pipeline those are undergoing under review revision and so on and so-forth
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|And there are some more book in pipeline those are undergoing under review revision and so on and so-forth
  
 
|-
 
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|07:51
 
|07:51
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| okay let me just see we have anything else here.
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|Okay let me just see we have anything else here.
  
 
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|08:17
 
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| So instead of Download PDF if you download here you will get all the Scilab code as a zip file.
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|So instead of Download PDF if you download here you will get all the Scilab code as a zip file.
  
 
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|08:25
 
|08:25
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| Instead you can say that let's open discrete time signal and system chapter 2 let's choose an example.  
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|Instead you can say that let's open discrete time signal and system chapter 2 let's choose an example.  
  
 
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|08:56
 
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|so I don't have to download the entire book I have I can choose a chapter.
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|So I don't have to download the entire book I have I can choose a chapter.
  
 
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|09:18
 
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| I get confused I want scilab code for only one example So I have selected this  
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|I get confused I want scilab code for only one example So I have selected this  
  
 
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|-
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|09:51
 
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|so it is possible to do that let me close this So as I told you earlier.  
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|So it is possible to do that let me close this So as I told you earlier.  
  
 
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|10:02
 
|10:02
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|you can download the code for entire book or a chapter or an example.
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|You can download the code for entire book or a chapter or an example.
  
 
|-
 
|-
 
|10:09
 
|10:09
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| So which is very useful because you can just go to example that you like download only that code run it test it.
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|So which is very useful because you can just go to example that you like download only that code run it test it.
  
 
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|10:31
 
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|let me choose once again electrical engineering I will choose control system.  
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|Let me choose once again electrical engineering I will choose control system.  
  
 
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|10:53
 
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| First the main category than subcategory in that what is the name of the book  and what is the chapter and what is the example  
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|First the main category than subcategory in that what is the name of the book  and what is the chapter and what is the example  
  
 
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|so this is written by some student one of your friend from across the country.
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|So this is written by some student one of your friend from across the country.
  
 
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|11:19
 
|11:19
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|So lets execute this so it gives bode plot you can download if you want.
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|So Let's execute this so it gives bode plot you can download if you want.
  
 
|-
 
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|11:28
 
|11:28
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|lets close it and here its result let me zoom it little bit okay you can actually see that.
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|Let's close it and here its result let me zoom it little bit okay you can actually see that.
  
 
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| So this goes to GARUDA cloud which is hosted in Banglore Sydac let me close this.  
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|So this goes to GARUDA cloud which is hosted in Banglore Sydac let me close this.  
  
 
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|12:28
 
|12:28
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|yes if you guess it correct the margins will come down 14 has become 8 and 31 has become 17  
+
|Yes if you guess it correct the margins will come down 14 has become 8 and 31 has become 17  
  
 
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|12:42
 
|12:42
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|so it is possible for you to try out all the 70000 example on the cloud.  
+
|So it is possible for you to try out all the 70000 example on the cloud.  
  
 
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|12:56
 
|12:56
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|what do I mean by that supposing you want to know how to use scilab for the first four year transform because you have in your course.
+
|What do I mean by that supposing you want to know how to use scilab for the first four year transform because you have in your course.
  
 
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|-
 
|13:05
 
|13:05
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| So open the textbooks there must be example that shows how to solve first four year transform.
+
|So open the textbooks there must be example that shows how to solve first four year transform.
  
 
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|13:29
 
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| you go to that chapter particular example and open the scilab code.  
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|You go to that chapter particular example and open the scilab code.  
  
 
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|you propose or you ask a smart classmate in your class that to do this for you.  
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|You propose or you ask a smart classmate in your class that to do this for you.  
  
 
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|13:52
 
|13:52
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|and that person can create textbook companion on that book and the problem is solved.
+
|And that person can create textbook companion on that book and the problem is solved.
  
 
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|14:00
 
|14:00
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| okay It can be used as documentation as I mentioned It can be used for what if studies
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|Okay It can be used as documentation as I mentioned It can be used for what if studies
  
 
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|14:07
 
|14:07
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|like I mentioned for example like we did for example increase the gain by 2  
+
|Like I mentioned for example like we did for example increase the gain by 2  
  
 
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|14:15
 
|14:15
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|you may want to reduce the friction  factor by 10th.  
+
|You may want to reduce the friction  factor by 10th.  
  
 
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|14:21
 
|14:21
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|you may want to change the bandwidth of some communication channel and so on and so forth.
+
|You may want to change the bandwidth of some communication channel and so on and so forth.
  
 
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|14:27
 
|14:27
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| So its very easy if you are a faculty member you are teaching a class just project this  
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|So its very easy if you are a faculty member you are teaching a class just project this  
  
 
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|14:34
 
|14:34
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|and then you can just do it online ofcourse you need internet connection.  
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|And then you can just do it online ofcourse you need internet connection.  
  
 
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| it is ofcourse useful for students also.  
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|It is ofcourse useful for students also.  
  
 
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| who are in our colleges in anytime for them scilab is more than enough.
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|Who are in our colleges in anytime for them scilab is more than enough.
  
 
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| It is only for very small fraction of student who may want extra things
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|It is only for very small fraction of student who may want extra things
  
 
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|should we used some other software that will tax all the 99 percent of the students.
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|Should we used some other software that will tax all the 99 percent of the students.
  
 
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|we demonstrated for the remaining 1 percent of the application.
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|We demonstrated for the remaining 1 percent of the application.
  
 
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| whatever it is but don't impose commercial on the 99  percent of the student who can get by with scilab.  
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|Whatever it is but don't impose commercial on the 99  percent of the student who can get by with scilab.  
  
 
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| very rarely do they solve such problem for most of them.  
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|Very rarely do they solve such problem for most of them.  
  
 
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|you create good product and share it and lots of people can benefit by that.  
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|You create good product and share it and lots of people can benefit by that.  
  
 
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|16:56
 
|16:56
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|just like Scilab was created by somebody and left it as open source for all our students to benefit.  
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|Just like Scilab was created by somebody and left it as open source for all our students to benefit.  
  
 
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|17:03
 
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|we also reciprocate in this manner there is another very nice thing that we have created
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|We also reciprocate in this manner there is another very nice thing that we have created
  
 
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|how did I reach here search TBC code search this what I find.
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|How did I reach here search TBC code search this what I find.
  
 
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|and I do a google search I get lots of hits 100,000 hits but not useful one.
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|And I do a google search I get lots of hits 100,000 hits but not useful one.
  
 
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|they have made available out of 70,000 example 140 of them have used PFSS.  
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|They have made available out of 70,000 example 140 of them have used PFSS.  
  
 
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|here is the book by Salivahanan here is the book by Manke you keep doing it until you like a book that is displayed.
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|Here is the book by Salivahanan here is the book by Manke you keep doing it until you like a book that is displayed.
  
 
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|19:48
 
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|here is the book by Coughanowr which I used when I was a student.
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|Here is the book by Coughanowr which I used when I was a student.
  
 
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| I said hey you know I have used this book let me view this example.  
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|I said hey you know I have used this book let me view this example.  
  
 
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| let me deleted let me run it and I get numerator also displayed.
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|let me deleted let me run it and I get numerator also displayed.
  
 
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| whatever it is and you can do this for all kinds of application.
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|Whatever it is and you can do this for all kinds of application.
  
 
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|21:01
 
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| ofcourse it will help you to identify example for the command that you want to find
+
|Ofcourse it will help you to identify example for the command that you want to find

Latest revision as of 18:31, 15 April 2019

00:05 So let me go to another solution that we came up for this problem.
00:12 That good documents are missing that solution is called Textbook Companion or TBC in short.
00:21 So let us see more about it students are good in coding, but not with documenting.
00:28 But India has about 10 Lakhs engineering students every year.
00:33 Can we use this students to create documents.
00:37 We need documents we are short of documents, unfortunately students don't like documentation even if they are good in coding.
00:49 So how do we solve this problem. We have lots of students who can do coding but we want documentation.
00:55 So we decided to address this by solving the inverse problem.
01:01 What is the inverse problem ask the student to write code for existing documents.
01:09 Okay for student of course textbooks are the best documents.
01:15 So we said ask them to write Scilab code for solved example of standard textbooks.
01:24 Notice this solved example we are not talking about unsolved problems.
01:29 Solved examples good textbooks give every step step by step explanation and solution.
01:37 One can implement in Scilab and verify scilab code line by line and any good student should be able contribute.
01:49 So this is how we started if they do for it for all solved example of a book.
01:56 You get one text book companion and we pay Rupees 12000Rs for 1 textbook companion as honorarium.
02:08 We also give certificate and we also give link for it.
02:12 As matter of fact there is one student from IIT Madras he wrote to us saying that thanks to this textbook companion.
02:22 He got an internship in a Japanese company So he was very happy about it.
02:28 Funding for this comes from the funds the grant that we received from national mission on education through ICT MHRD.
02:38 Which has been very generous in supporting this activities.
02:42 So I would like to invite all the students to benefit by this to contribute to this and also to use this.
02:50 How does one used it I am going to explain shortly okay 1000 college student and faculty contributed.
02:58 This students came from all over India all parts of India 600 textbooks were covered and 70,000 example were coded.
03:09 If you assume that there are 100 examples in a textbook then there will 60,000.
03:15 Some text book have actually more than 100 examples so we have 70,000 example coded.
03:23 You can download this textbook companions for offline use so let me click this so this Scilab.in
03:32 On the left hand side so this the website that we have created and we support at IIT Bombay.
03:47 By the way the software Scilab is not created by us Scilab is infact we have given a disclaimer also that it's ofcourse
03:56 We have said that its trademark of Inria and Scilab Enterprises and it has been now bought over by a company.
04:07 And I will show the link for that here but let's come here lets come back to the page and
04:29 Let's go to textbook companion project and you have something called completed book.
04:27 Let me click this you can see that there are 594 books that have been completed so it has if I just scroll down
04:40 You will see that there are indeed 594 books here it is.
04:47 It's possible to get book according to specialization so let me do that instead of choosing all categories
05:03 Let me choose electrical engineering for example and in that let me choose there are more here signal processing.
05:20 Now if you go through this you see that in signal processing alone their are 17 books.
05:26 So this is very popular book by Proakis and Manolakis DSP.
05:31 So let me click this and it's says that download codes notice that we are not giving a book.
05:40 We are only giving scilab code to understand that code you need the book as a result.
05:47 This is a true textbook companion it only give Scilab code
05:53 It doesn't give the book we cannot copy the book and distribute that will be violation of copyright we don't do such illegal things.
06:03 So here, if you click this you can download entire Scilab code.
06:11 If you click here you can get the PDF lets click this and see what it has so it's downloaded here.
06:19 So here you are this is created by Prof Senthilkumar from IRTT in Erode he is a college teacher.
06:29 And let's go down So it has all the example by chapter.
06:39 You also have it in terms of example number so for example if you want to say exponential decreasing signal example 2.1.09.
06:52 let me click this there it is example 2.1.09
06:59 So you can reach this directly and notice that it has code after code which is not given in the book.
07:10 What is given in the book is not reproduced here as a result there is no copyright violation at all as matter of fact.
07:19 It's other way around we are here helping authors of book by giving scilab code.
07:27 There may be authors who may not given any code with their book.
07:32 But we have given scilab code and we have given it for 600 close to 600 books infact 594 as of now.
07:41 And there are some more book in pipeline those are undergoing under review revision and so on and so-forth
07:51 Okay let me just see we have anything else here.
07:56 We can download code for an entire book or chapter let me show you So here I showed how to download a PDF version.
08:08 let me close this we are back in the download course that we saw earlier.
08:17 So instead of Download PDF if you download here you will get all the Scilab code as a zip file.
08:25 Instead you can say that let's open discrete time signal and system chapter 2 let's choose an example.
08:45 let say exponential increasing decreasing signal here is a code.
08:56 So I don't have to download the entire book I have I can choose a chapter.
09:04 If I click here and download I will get the zip file for that chapter only.
09:14 Instead I can say that I don't want it for whole chapter there are too many things
09:18 I get confused I want scilab code for only one example So I have selected this
09:26 So let me click this let me show in Finder okay I ran it you see the output okay.
09:51 So it is possible to do that let me close this So as I told you earlier.
10:02 You can download the code for entire book or a chapter or an example.
10:09 So which is very useful because you can just go to example that you like download only that code run it test it.
10:17 Now I am going to give a demo of scilab cloud on GARUDA so here is the link let me click this So let me demonstrate it
10:31 Let me choose once again electrical engineering I will choose control system.
10:43 I will choose B.C Kaou Frequency Domain Analysis see how it is organised.
10:53 First the main category than subcategory in that what is the name of the book and what is the chapter and what is the example
11:04 I want to choose bode plot the moment I selected I get the code here.
11:12 So this is written by some student one of your friend from across the country.
11:19 So Let's execute this so it gives bode plot you can download if you want.
11:28 Let's close it and here its result let me zoom it little bit okay you can actually see that.
11:38 Now I am going to ask you quiz suppose I increase the gain of this transfer function lets go to 5000
11:51 okay that's right you can actually edit this page
11:55 So I have change this from 2500 to 5000
12:00 Now If I do that what will happen to gain margin and face margin.
12:05 I want you to note down gain margin is 14 Face margin is 31.
12:11 If I increase the gain what will happen to this system lets go ahead.
12:19 So this goes to GARUDA cloud which is hosted in Banglore Sydac let me close this.
12:28 Yes if you guess it correct the margins will come down 14 has become 8 and 31 has become 17
12:42 So it is possible for you to try out all the 70000 example on the cloud.
12:51 So how do we use this TBC as a documentation.
12:56 What do I mean by that supposing you want to know how to use scilab for the first four year transform because you have in your course.
13:05 So open the textbooks there must be example that shows how to solve first four year transform.
13:14 How to implement first four year transform.
13:18 So that example is given you got to that textbook companion in Scilab as 600 books are covered most likely your textbook is also covered
13:29 You go to that chapter particular example and open the scilab code.
13:36 It tells you how first four year transform is done.
13:40 Okay what do we do if the book is not covered.
13:44 You propose or you ask a smart classmate in your class that to do this for you.
13:52 And that person can create textbook companion on that book and the problem is solved.
14:00 Okay It can be used as documentation as I mentioned It can be used for what if studies
14:07 Like I mentioned for example like we did for example increase the gain by 2
14:15 You may want to reduce the friction factor by 10th.
14:21 You may want to change the bandwidth of some communication channel and so on and so forth.
14:27 So its very easy if you are a faculty member you are teaching a class just project this
14:34 And then you can just do it online ofcourse you need internet connection.
14:40 If you don't have internet connection use the offline version that I showed you little while ago
14:46 It is ofcourse useful for students also.
14:49 You want understand how a particular topic is covered you want to improve it you can do that as a matter of fact.
14:57 I believe that this alone that is textbook companion alone is useful for more than 40 lakhs engineering students
15:07 Who are in our colleges in anytime for them scilab is more than enough.
15:14 It is only for very small fraction of student who may want extra things
15:18 Who may want extra things which may not be available in Scilab.
15:23 they might say they want to use some other software.
15:25 My question to you is, So for that 1 percent of the students
15:32 Should we used some other software that will tax all the 99 percent of the students.
15:38 That's why I said use Scilab wherever possible and that Scilab is good enough for 99 percent of the students like
15:46 We demonstrated for the remaining 1 percent of the application.
15:50 Use whatever software whether it is opensource or commercial
15:54 Whatever it is but don't impose commercial on the 99 percent of the student who can get by with scilab.
16:03 It is also true for industry what how many companies solve ex-chattering all the time.
16:13 Very rarely do they solve such problem for most of them.
16:18 What is available in scilab is more than enough and it's absolutely open source.
16:23 All companies can also use Scilab absolutely free of cost and of course this useful for the people all over the world
16:34 Imagine this is something created by us by our students.
16:40 By who are funded by our Taxpayer made available to whole world that's the beauty of opensource software.
16:49 You create good product and share it and lots of people can benefit by that.
16:56 Just like Scilab was created by somebody and left it as open source for all our students to benefit.
17:03 We also reciprocate in this manner there is another very nice thing that we have created
17:10 On top for this textbook companion code search let me show you.
17:15 We click this link if you click this it comes here once again it is in scilab.in website
17:22 How did I reach here search TBC code search this what I find.
17:28 So how do I use it when you know need to know the name of the command.
17:34 How do I locate the name of the command I do google search for example.
17:41 I wanted to set a problem in partial fraction in Scilab I had forgotten the command.
17:50 I had forgotten the syntax so I said partial fraction Scilab
18:01 So very first link is PFSS So I know the command I found the command name now how do I find example
18:12 I have had very bad experience of trying to get working example in the past
18:20 And I do a google search I get lots of hits 100,000 hits but not useful one.
18:29 I have to search one after another for working code but we have solved the problem in our code search
18:38 Remember the command PFSS so I come here and I searched PFSS I search it says 140 results found where are this from remember.
18:57 I told you that there 70,000 examples that have been coded by your classmate student across the country.
19:06 They have made available out of 70,000 example 140 of them have used PFSS.
19:15 The first one is by this circuit analysis book let me go down here is the book by Ashok here is the book by Babu.
19:36 Here is the book by Salivahanan here is the book by Manke you keep doing it until you like a book that is displayed.
19:48 Here is the book by Coughanowr which I used when I was a student.
19:54 I said hey you know I have used this book let me view this example.
19:59 It immediately takes me to the scilab oncloud that we have seen before
20:06 This is example 2.4 in that book and if you see here the notice that PFSS.
20:15 So all I have to do is execute and I get the result.
20:23 Only denominator is displayed that is because of numerator there is a semicolon
20:28 let me deleted let me run it and I get numerator also displayed.
20:36 You can see the partial fraction is with a denominator x-2 this is x+1, x-1 and so on.
20:42 So if I don't like this I can modified it re-run it I can get example and so on.
20:48 So this is extremely useful for faculty members if they want to set problem for lab exam final exam.
20:56 Whatever it is and you can do this for all kinds of application.
21:01 Ofcourse it will help you to identify example for the command that you want to find

Contributors and Content Editors

Nancyvarkey, Pratik kamble

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