If I have an nxn matrix, how do I compute it's j'th principal minor using matlab?

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Michael Vaughan 2020-10-12

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回答： Ameer Hamza 2020-10-12

If I have an nxn matrix, how do I compute it's j'th principal minor using matlab?

the j'th principal minor is the jxj matrix in n consisting of the first j rows and columns

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Ameer Hamza 2020-10-12

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在 MATLAB Online 中打开

Read about indexing: https://www.mathworks.com/help/matlab/math/array-indexing.html

M; % nxn matrix
Mj = M(1:j,1:j)

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