Extract the row that contains the minimum value in the last column of a matrix

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Ayoub Ghorbel 2021-7-29

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https://ww2.mathworks.cn/matlabcentral/answers/888387-extract-the-row-that-contains-the-minimum-value-in-the-last-column-of-a-matrix

回答： Chunru 2021-7-29

Given a matrix A of shape (m,n), I want to find the minimum value in the last column of A and extract the row that contains that minimum. How can I do that?

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Answer 1

Chunru 2021-7-29

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https://ww2.mathworks.cn/matlabcentral/answers/888387-extract-the-row-that-contains-the-minimum-value-in-the-last-column-of-a-matrix#answer_756397

在 MATLAB Online 中打开

A = randn(4, 5)
A = 4×5
    0.5822   -0.8250    0.5723   -1.1310    0.5038
   -2.0337    0.7604   -0.0819    0.4685   -0.2146
    1.0361    0.2936    0.0097    0.2982    0.5235
    0.1029    1.5128   -0.8380   -0.3989    0.0932
[~, irow] = min(A(:, end));
b = A(irow, :)
b = 1×5
   -2.0337    0.7604   -0.0819    0.4685   -0.2146