Throw an error message with the dimensions of a matrix
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Christian Berwanger
on 22 Dec 2020
Answered: Star Strider
on 22 Dec 2020
Hello,
I want to throw an error message with the size of my matrices:
The minimal working example would be this one:
M = magic(3);
N = magic(4);
error(['size(M) = ' size(M) newline 'size(N) = ' size(N)])
The problem is that the output of size() is not a string so my error message looks like:
size(M) =
size(N) =
Is it possible to somehow print the dimensions of my matrix in an error message? My first intuition would be to save the return of size(M). but I couldn't find any solution for this.
Kind Regards,
Christian
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Accepted Answer
Star Strider
on 22 Dec 2020
M = magic(3);
N = magic(4);
error(['size(M) = ' num2str(size(M)) newline 'size(N) = ' num2str(size(N))])
produces:
Error using ... (line ###)
size(M) = 3 3
size(N) = 4 4
.
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