I had a matrix s of size 4*12540, i want to use only 4*4 of this matrix how should i remove extra columns?

2014 3 31
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更新时间：2014 3 31
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Joseph Cheng
Joseph Cheng 2014-3-31
编辑：Joseph Cheng 2014-3-31

1 个投票

If you want to completely remove these columns you can use [] ;
example:
Testmatrix = rand(4,12540);
Testmatrix(:,5:end) = [];%All rows in columns 5 through end are blank;

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