Check the matrix result
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How can i check the entire matrix zero or not
M(sum)=0
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Walter Roberson
2013 年 6 月 6 日
~any(M(:))
will be true if M is entirely 0
I am not sure if your (sum) is intended to convey anything? Are you asking whether the sum over M is 0? If so then,
if ~sum(M(:))
Note, though, that this would be subject to round-off and cancellation problems; there are other techniques to use if you need to be concerned about those.
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