how to write empty variable....
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while doing a calculation if i get a variable named "varName" with empty value i wanted to display a message "Dont not Exist"...... how to write a code for checking whether a variable contains value or it is empty... please do reply...
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ChristianW
2013 年 3 月 4 日
A = [] % A is empty
isempty(A) % Is A empty?
exist(A,'var') % Does A exist as variable?
% empty and not existing isnt the same thing
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Abdul Rehman Akbar
2014 年 4 月 10 日
Thank You very much. I was searching this command. your answer is very useful for me.
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