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Hi , i have a matrix and need to extract the column in this way , thank you

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mina massoud
mina massoud 2019-5-19
编辑： madhan ravi 2019-5-19
clear all
clc
A=[ 1:16;17:32;33:48;49:64] ;
% i need to exctract the [ 1 5 9 13 ] column vectro from matrix A and put them in another matrix B with diminsion 4x4
% the rest of the column i need them in another matrix C with dimensione 4x12
% thank you

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madhan ravi
madhan ravi 2019-5-19
idx= [ 1 5 9 13 ];
A(:,idx) % 4 X 4
A(:,setdiff(1:size(A,2),idx)) % 4 X 12

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