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How can you display a null/empty matrix?

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Smith on 14 Mar 2014
Answered: Benjamin Avants on 14 Mar 2014
is this a way? M = [ ] disp(M)
  1 Comment
dpb on 14 Mar 2014
Did you try it?
What do you want displayed and in what context?

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Answers (1)

Benjamin Avants
Benjamin Avants on 14 Mar 2014
Your method won't display anything. You can remove the semicolon from the line that assigns a value to M and it will display like this:
M = []
M =
If you want to test if it is empty use something like the following:
M = [];
if isempty(M)
disp('M is empty')

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