Duplicating part of a matrix

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Michael
Michael 2014-11-22
评论： Michael 2014-11-22
Say I have a row vector, and I want to make another vector of all the values in the other one greater than some threshold. I can probably do this with an if inside a for loop, or something like that, but is there a specific command for this?
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Azzi Abdelmalek
Azzi Abdelmalek 2014-11-22
there is no a specific command for a general question, can you post an example?

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the cyclist
the cyclist 2014-11-22
A = [1 2 3 4 5 6 7];
B = A(A>4);

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