concatenating certain columns of a (numeric) matrix. The id of columns of interest stored in a numeric array. Also some columns are selected more than once.
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I have a numeric matrix A. I want to generate matrix B (with the same size as A) from certain columns of matrix A. Columns of interest are specified in an array and some columns in B are repeated more than once.
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KSSV
2016 年 6 月 6 日
K = rand(10) ;
L = rand(10) ;
col = [1 3 7 10] ; % columns to be replaced
L(:,col) = K(:,col) ;
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