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str2num function - String:
The function str2num does the opposite; it takes the string in which a number is stored and converts it to the type double:
>> num = str2num('123.456')
num =
123.4560
When there is a string in which there are numbers split by blanks, then the str2num function will convert this to the vector of numbers (of the default type double).
For illustration,
>> mystr = '66 2 111';
>> numvec = str2num(mystr)
numvec =
66 2 111
>> sum(numvec)
ans =
179
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Illustration of Variable scope: Running this function does not add any of variables to the workspace, as elaborated: >> clear >> who >> disp(mysum([5 9 1]))
I dont know how to input different videos on matlab program
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Example of Plotting from a Function: For illustration, the function can be called as shown below: >> y = [1:2:9].^3 y = 1 27 125 343 729
str2num function - String: The function str2num does the opposite; it takes the string in which a number is stored and converts it to the type double: >> num = str2num('123.
Executing a program: Running the program would be completed by typing the name of the script; this would call the other functions: >> calcandprintarea Whenever prompt
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