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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|00:28 | |00:28 | ||
− | | | + | |But India has about 10 Lakhs engineering students every year. |
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|01:01 | |01:01 | ||
− | | | + | |What is the inverse problem ask the student to write code for existing documents. |
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|01:09 | |01:09 | ||
− | | | + | |Okay for student of course textbooks are the best documents. |
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|01:56 | |01:56 | ||
− | | | + | |You get one text book companion and we pay Rupees 12000Rs for 1 textbook companion as honorarium. |
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|02:08 | |02:08 | ||
− | | We also give certificate and we also give link for it. | + | |We also give certificate and we also give link for it. |
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|02:12 | |02:12 | ||
− | | As matter of fact there is one student from IIT Madras he wrote to us saying that thanks to this textbook companion. | + | |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 | |02:22 | ||
− | | | + | |He got an internship in a Japanese company So he was very happy about it. |
|- | |- | ||
|02:28 | |02:28 | ||
− | | | + | |Funding for this comes from the funds the grant that we received from national mission on education through ICT MHRD. |
|- | |- | ||
|02:38 | |02:38 | ||
− | | | + | |Which has been very generous in supporting this activities. |
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|03:15 | |03:15 | ||
− | | | + | |Some text book have actually more than 100 examples so we have 70,000 example coded. |
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|03:47 | |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 | + | |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 | ||
− | | | + | |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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|04:07 | |04:07 | ||
− | | | + | |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 | ||
− | | | + | |Let's go to textbook companion project and you have something called completed book. |
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|05:03 | |05:03 | ||
− | | | + | |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 | |05:40 | ||
− | | | + | |We are only giving scilab code to understand that code you need the book as a result. |
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|05:47 | |05:47 | ||
− | | This is a true textbook companion it only give Scilab code | + | |This is a true textbook companion it only give Scilab code |
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|06:03 | |06:03 | ||
− | | | + | |So here, if you click this you can download entire Scilab code. |
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|06:11 | |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 | |06:19 | ||
− | | | + | |So here you are this is created by Prof Senthilkumar from IRTT in Erode he is a college teacher. |
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|06:29 | |06:29 | ||
− | | | + | |And let's go down So it has all the example by chapter. |
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|06:52 | |06:52 | ||
− | | let me click this there it is example 2.1.09 | + | |let me click this there it is example 2.1.09 |
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|07:10 | |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. |
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|07:32 | |07:32 | ||
− | | | + | |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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|07:41 | |07:41 | ||
− | | | + | |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 | ||
− | | | + | |Okay let me just see we have anything else here. |
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|08:17 | |08:17 | ||
− | | So instead of Download PDF if you download here you will get all the Scilab code as a zip file. | + | |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 | ||
− | | Instead you can say that let's open discrete time signal and system chapter 2 let's choose an example. | + | |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 | |08:56 | ||
− | | | + | |So I don't have to download the entire book I have I can choose a chapter. |
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|09:18 | |09:18 | ||
− | | I get confused I want scilab code for only one example So I have selected this | + | |I get confused I want scilab code for only one example So I have selected this |
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|09:51 | |09:51 | ||
− | | | + | |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 | ||
− | | | + | |You can download the code for entire book or a chapter or an example. |
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|10:09 | |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. | + | |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 | |10:31 | ||
− | | | + | |Let me choose once again electrical engineering I will choose control system. |
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|10:53 | |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 | + | |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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|11:12 | |11:12 | ||
− | | | + | |So this is written by some student one of your friend from across the country. |
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|11:19 | |11:19 | ||
− | |So | + | |So Let's execute this so it gives bode plot you can download if you want. |
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|11:28 | |11:28 | ||
− | | | + | |Let's close it and here its result let me zoom it little bit okay you can actually see that. |
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|12:19 | |12:19 | ||
− | | So this goes to GARUDA cloud which is hosted in Banglore Sydac let me close this. | + | |So this goes to GARUDA cloud which is hosted in Banglore Sydac let me close this. |
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|12:28 | |12:28 | ||
− | | | + | |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 | ||
− | | | + | |So it is possible for you to try out all the 70000 example on the cloud. |
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|12:56 | |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. |
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|13:05 | |13:05 | ||
− | | 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 | |13:29 | ||
− | | | + | |You go to that chapter particular example and open the scilab code. |
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|13:44 | |13:44 | ||
− | | | + | |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 | ||
− | | | + | |And that person can create textbook companion on that book and the problem is solved. |
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|14:00 | |14:00 | ||
− | | | + | |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 | ||
− | | | + | |Like I mentioned for example like we did for example increase the gain by 2 |
|- | |- | ||
|14:15 | |14:15 | ||
− | | | + | |You may want to reduce the friction factor by 10th. |
|- | |- | ||
|14:21 | |14:21 | ||
− | | | + | |You may want to change the bandwidth of some communication channel and so on and so forth. |
|- | |- | ||
|14:27 | |14:27 | ||
− | | So its very easy if you are a faculty member you are teaching a class just project this | + | |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 | ||
− | | | + | |And then you can just do it online ofcourse you need internet connection. |
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|14:46 | |14:46 | ||
− | | | + | |It is ofcourse useful for students also. |
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|15:07 | |15:07 | ||
− | | | + | |Who are in our colleges in anytime for them scilab is more than enough. |
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|15:14 | |15:14 | ||
− | | It is only for very small fraction of student who may want extra things | + | |It is only for very small fraction of student who may want extra things |
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|15:32 | |15:32 | ||
− | | | + | |Should we used some other software that will tax all the 99 percent of the students. |
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|15:46 | |15:46 | ||
− | | | + | |We demonstrated for the remaining 1 percent of the application. |
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|15:54 | |15:54 | ||
− | | | + | |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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|16:13 | |16:13 | ||
− | | | + | |Very rarely do they solve such problem for most of them. |
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|16:49 | |16:49 | ||
− | | | + | |You create good product and share it and lots of people can benefit by that. |
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|16:56 | |16:56 | ||
− | | | + | |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 | |17:03 | ||
− | | | + | |We also reciprocate in this manner there is another very nice thing that we have created |
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|17:22 | |17:22 | ||
− | | | + | |How did I reach here search TBC code search this what I find. |
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|18:20 | |18:20 | ||
− | | | + | |And I do a google search I get lots of hits 100,000 hits but not useful one. |
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|19:06 | |19:06 | ||
− | | | + | |They have made available out of 70,000 example 140 of them have used PFSS. |
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|19:36 | |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. |
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|19:48 | |19:48 | ||
− | | | + | |Here is the book by Coughanowr which I used when I was a student. |
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|19:54 | |19:54 | ||
− | | I said hey you know I have used this book let me view this example. | + | |I said hey you know I have used this book let me view this example. |
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|20:28 | |20:28 | ||
− | | let me deleted let me run it and I get numerator also displayed. | + | |let me deleted let me run it and I get numerator also displayed. |
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|20:56 | |20:56 | ||
− | | | + | |Whatever it is and you can do this for all kinds of application. |
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|21:01 | |21:01 | ||
− | | | + | |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 |