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tilde use before if condition

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boureghda mohammed
boureghda mohammed 2016-11-12
评论： Star Strider 2016-11-14
I was looking at on Matlab code , I could not understand the use of tilde ~ before if condition .
if ~isfield(ArgDS,'mu')

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Star Strider
Star Strider 2016-11-12
The tilde ‘~’ is a logical negation. So the if condition will be true when 'mu' is not a field of the ‘ArgDS’ structure.

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