Access matrix location on one matrix with the data location on another matrix
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I have two matrix say A & B if I have data stored in A and the data location of desired values in B how could I access Values of matrix A who are located at locations B.
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Chinmay Anand
2019 年 6 月 21 日
In case if A and B are vectors ,( 1 x n ) matrices
A(B) % It will give the values of A at indexes B
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Chinmay Anand
2019 年 6 月 21 日
idx = setdiff(1:length(A),B); % indexes which are not in B
A(idx) = 0;
その他の回答 (1 件)
madhan ravi
2019 年 6 月 21 日
Probably you want:
idx = setdiff(1:numel(A),B);
A(idx) = 0;
2 件のコメント
madhan ravi
2019 年 6 月 21 日
編集済み: madhan ravi
2019 年 6 月 21 日
Beware this method works even if A is a matrix more than 1 dimension unlike the other.
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