Select some elements from a given matrix
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Hello everyone, I have a matrix something like
m=[0.34,0.000009,0,2, 0,0.4,0.00087];
what i want is to pick randomly 3 elements from that matrix, i am really stuck , can anyone help?
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James Tursa
2015-3-25
编辑:James Tursa
2015-3-25
Assuming you don't care about the order in which they are selected:
m(randperm(numel(m),3))
If you want to preserve the original ordering, then:
m(sort(randperm(numel(m),3)))
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