Difference between revisions of "Scilab/C4/User-Defined-Input-and-Output/Gujarati"

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|Welcome to the spoken tutorial on '''File handling''' using '''Scilab'''.  
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| '''Scilab''' વાપરીને '''File handling''' પરના આ સ્પોકન ટ્યુટોરિયલમાં તમારું સ્વાગત છે .
  
 
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| In this tutorial, we will learn:  
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| આ ટ્યુટોરીયલમાં આપણે શીખીશું :  
  
 
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|* '''Input Function '''
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|* '''ઈનપુટ ફન્કશન'''
  
 
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|* '''Formatting the Output'''
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|* '''આઉટપુટ ફોરમેટ કરવું'''
  
 
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|* '''save function '''
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|* '''ફન્કશનને  સેવ કરવું'''
  
 
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|* '''load function '''.
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|* '''ફન્કશન ને લોડ કરવું'''
  
 
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|For demonstration I am using '''Ubuntu Linux 12.04''' operating system with '''Scilab version 5.3.3''' installed.  
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| પ્રદશન માટે હું ઉપયોગ કરી રહી છું સંસ્થાપિત '''Scilab version 5.3.3''' ના સાથે  '''Ubuntu Linux 12.04''' ઓપરેટીંગ સીસ્ટમ.
  
 
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| You should have basic knowledge of '''Scilab.'''  
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| તમને '''Scilab''' નું સામાન્ય જ્ઞાન હોવું જોઈએ.
  
 
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| If not, for relevant spoken tutorials on Scilab  please visit '''spoken hyphen tutorial dot org'''.  
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| જો નથી તો સંબંધિત ટ્યુટોરિયલ્સ માટે અમારી વેબસાઇટ જુઓ '''spoken hyphen tutorial dot org'''.  
  
 
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|The '''input()''' function is used to take the input from the user.  
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|The '''input()''' યુઝરથી ઈનપુટ લેવા માટે ઉપયોગી છે.  
  
 
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| It provides a prompt in the text string for user input.  
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|   આ યુઝર ઈનપુટ ના માટે  ટેસ્ટ સ્ટ્રીંગમાં પ્રોમ્પ્ટ પૂરું પાડે છે.  
  
 
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| It waits for input from the keyboard.  
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| આ કીબોર્ડ પાસેથી ઈનપુટની રાહ જુએ છે.
  
 
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| If nothing but a carriage return is entered at the prompt, '''input()''' function returns an empty matrix.  
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|કઈ નહિ કરીએ અને '''carriage return''' એન્ટર કરીએ તો  '''input()''' ફન્કશન આપણને  '''empty matrix'''  પાછુ આપે છે.
  
 
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| The '''input''' function can be written in two ways:  
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| The '''input''' ફન્કશનને બે પ્રકારે લખી શકીએ છીએ :  
  
 
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| First, x= input into brackets "message to display"   
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| પ્રથમ , x= input કૌંસમાં  "message to display"   
  
 
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|second, x= input into brackets ("message to display", "strings").
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|બીજું છે, x= input કૌંસમાં    ("message to display", "strings").
  
 
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| In the second example, the second argument is “string”.  
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| બીજા ઉદાહરણમાં બીજું આર્ગ્યુમેન્ટ “string” છે.
  
 
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|So the output is a character string which is the expression entered using the keyboard.  
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| તો આઉટપુટ એક કેરેક્ટર સ્ટ્રીંગ છે જે કીબોર્ડનો ઉપયોગ કરીને ઉમેરાયેલું એક્ક્ષપ્રેશન છે.
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|Switch to the '''Scilab console''' window and type,  
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|'''Scilab console''' વિન્ડો પર જાવ અને ટાઇપ કરો,  
  
 
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Revision as of 15:50, 7 December 2015

Time Narration
00:01 Scilab વાપરીને File handling પરના આ સ્પોકન ટ્યુટોરિયલમાં તમારું સ્વાગત છે .
00:06 આ ટ્યુટોરીયલમાં આપણે શીખીશું :
00:08 * ઈનપુટ ફન્કશન
00:10 * આઉટપુટ ફોરમેટ કરવું
00:12 * ફન્કશનને સેવ કરવું
00:14 * ફન્કશન ને લોડ કરવું
00:16 પ્રદશન માટે હું ઉપયોગ કરી રહી છું સંસ્થાપિત Scilab version 5.3.3 ના સાથે Ubuntu Linux 12.04 ઓપરેટીંગ સીસ્ટમ.
00:26 તમને Scilab નું સામાન્ય જ્ઞાન હોવું જોઈએ.
00:29 જો નથી તો સંબંધિત ટ્યુટોરિયલ્સ માટે અમારી વેબસાઇટ જુઓ spoken hyphen tutorial dot org.
00:37 The input() યુઝરથી ઈનપુટ લેવા માટે ઉપયોગી છે.
00:42 આ યુઝર ઈનપુટ ના માટે ટેસ્ટ સ્ટ્રીંગમાં પ્રોમ્પ્ટ પૂરું પાડે છે.
00:47 આ કીબોર્ડ પાસેથી ઈનપુટની રાહ જુએ છે.
00:51 કઈ નહિ કરીએ અને carriage return એન્ટર કરીએ તો input() ફન્કશન આપણને empty matrix પાછુ આપે છે.
00:59 The input ફન્કશનને બે પ્રકારે લખી શકીએ છીએ :
01:03 પ્રથમ , x= input કૌંસમાં "message to display"
01:09 બીજું છે, x= input કૌંસમાં ("message to display", "strings").
01:17 બીજા ઉદાહરણમાં બીજું આર્ગ્યુમેન્ટ “string” છે.
01:22 તો આઉટપુટ એક કેરેક્ટર સ્ટ્રીંગ છે જે કીબોર્ડનો ઉપયોગ કરીને ઉમેરાયેલું એક્ક્ષપ્રેશન છે.
01:29 Scilab console વિન્ડો પર જાવ અને ટાઇપ કરો,
01:33 x is equal to input open bracket inside double quotes Enter your age close the double quotes close the bracket and press Enter.
01:49 Type 25 and press Enter.
01:53 Now type -->y is equal to input into bracket into double quotes Enter your age close the double quotes comma again inside double quotes write string close the bracket and press Enter.
02:14 type 25 and press Enter.
02:18 We see that in both the cases the input we entered through keyboard, was a number 25.
02:25 Now, let us check the type of variable that x and y are.
02:30 Let us clear the console using clc command.
02:34 We are doing this to validate the use and importance of the argument “string”, given in the second example.
02:42 To check the type of variable, let us type
02:45 -->typeof into brackets x and press Enter.
02:51 Similarly, typeof(y) and press Enter.
02:57 You can see it yourself that the first answer stored in x is of type constant and
03:04 second answer stored in y, with the argument “string” included in the command, is of type string.
03:12 Let us now see how to format the output that is displayed on the console.
03:17 This can be done using the mprintf() function.
03:22 mprintf() function converts, formats and writes data on to the Scilab console.
03:28 It is an interface for C-coded version of printf() function.
03:34 Let us see an example for this. Switch to the console.
03:38 Type-->mprintf into bracket into quotes type At iteration percent i comma Result is colon slash n alpha is equal to percentf comma 33 comma 0.535 close the bracket.
04:12 Here 33 will be displayed in place of percent i (%i) and point 535 (0.535) will be displayed in place of percent f (%f) as a flow. Press Enter.
04:26 This will give the output as At iteration 33, Result is alpha is equal to 0.535000.
04:39 Clear the console. Now let us see another example.
04:44 mprintf open bracket into quotes Value of x is equal to percentage d is taken as a CONSTANT comma while value of y is equal to percent s is taken as a STRING close the quotes comma x comma y close the bracket.
05:19 In the above example percentage d (%d) is used to insert a constant data stored in variable x and
05:28 percentage s (%s) is used to insert a string data stored in variable y. press Enter, you see the output.
05:38 Now, let us discuss the use of save and load commands.
05:43 To quit Scilab midway through a calculation and to
05:47 continue at a later stage, type save thissession.
05:52 This will save the current values of all variables to a file called thissession.
05:58 This file cannot be edited.
06:01 It is in binary format.
06:04 When you next start Scilab, type load thissession
06:08 and the computation can be resumed where you left off.
06:13 The purpose of save and load functions are
06:16 The save() command saves all the Scilab current variables in a binary file.
06:22 If the variable is a graphic handle, the save function saves all the corresponding graphics_entities definition.
06:31 The file can be given either by its path or by its descriptor previously given.
06:37 save(filename) saves all the current variables in a file defined by filename.
06:45 save into bracket fd saves all the current variables in the file defined by the descriptor fd.
06:53 save(filename,x,y) or save(fd,x,y) saves only named variables x and y.
07:02 Let us see an example to illustrate the save and load commands usage.
07:07 Switch back to the console. Let us define two matrices, say a and b.
07:14 -->a = eye of (2,2) and press Enter.
07:22 Type b=ones(a) and press Enter.
07:28 Clear the console using clc command. Now type
07:34 save space matrix dash a dash b
07:42 or it can also be written as:
07:46 save into brackets into quotes matrix dash a dash b dot dat close the quotes comma a comma b close the bracket and press Enter.
08:03 This saves the values of variables in a binary file 'matrix dash a dash b dot dat' (matrix-a-b.dat) in the present working directory.
08:12 You can browse the present working directory to check the existence of this binary file.
08:17 You can see it here. I will close the file browser.
08:22 Now let us load the file back in to the variables.
08:26 Before this, let us clear the variables a and b .
08:29 Type clear a space b, press Enter.
08:34 Let us cross check if these variables are really cleared.
08:39 ->a
08:40 b
08:41 Now let us load back the values from the binary files in these variables a and b using the load command.
08:49 Type: load into bracket into quote matrix dash a dash b dot dat close the quotes comma into quotes a comma into quotes b close the bracket and press Enter.
09:08 Let us check the values in variables a and b. Clear the console.
09:14 Type -->a and-->b
09:18 You can see the values are loaded back in the variables.
09:23 In this tutorial we learnt -
09:24 * Input function using input command
09:28 * Formatting the output using mprintf command
09:31 * save function
09:33 * load function
09:35 Watch the video available at the link shown below.
09:38 It summarizes the Spoken Tutorial project.
09:41 If you do not have good bandwidth, you can download and watch it.
09:46 The spoken tutorial Team:
09:48 Conducts workshops using spoken tutorials.
09:51 Gives certificates to those who pass an online test.
09:54 For more details, please write to conatct@spoken-tutorial.org.
10:01 Spoken Tutorial Project is a part of the Talk to a Teacher project.
10:05 It is supported by the National Mission on Eduction through ICT, MHRD, Government of India.
10:12 More information on this mission is available at http://spoken-tutorial.org/NMEICT-Intro.
10:23 This is Anuradha Amrutkar from IIT Bombay, signing off.
10:26 Thank you for joining.

Contributors and Content Editors

Jyotisolanki, PoojaMoolya

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