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changing the name of a variable

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joseph Frank
joseph Frank on 16 Jul 2011
Closed: MATLAB Answer Bot on 20 Aug 2021
Hi,
I know that what I am asking for is not recommended but I need it. I have a loop and i want to change the name of the variable according to the loop:
for i=1:40 variable L I want it to be named L1,L2...L40 according to the i value in the loop.is it possible to do so?

Answers (2)

Vishwajith Upendra
Vishwajith Upendra on 17 Jul 2011
Here is a sample code which does what you want. Try it.
for i=1:5
x=num2str(i); % Converts number to string
x1=strcat('L',x); % Concatenates your prefix to the varying number
x1 % I guess, this is the variable you want
end
Hope it helped.
  1 Comment
Oleg Komarov
Oleg Komarov on 17 Jul 2011
I think it's more likely to be the faq 4.6 as Walter suggested, otherwise the OP should be more specific.

Walter Roberson
Walter Roberson on 16 Jul 2011
Please see the FAQ
Why do you "need" to do this? There is almost always a better way.
  3 Comments
Paulo Silva
Paulo Silva on 16 Jul 2011
that's the reason for the existence of cells
Walter Roberson
Walter Roberson on 16 Jul 2011
Sounds like a reason to use dynamic field names on a structure, and to use the '-struct' option of save()

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