Creating a loop for a Matrix

I have a 4x4 Matrix and need to create all the minors of the matrix. How do I use a single variable to store all the minors of Matrix A? I know you are supposed to use the nested for loops somehow.

3 Kommentare

Jan
Jan am 20 Okt. 2011
Please post, what you have done so far.
Kevin
Kevin am 20 Okt. 2011
A=[5, 3, 0, 4; -4, 2, 7, -1; 0, 4, -2, -3; 1, 0, 3, 3]
Fangjun Jiang
Fangjun Jiang am 21 Okt. 2011
Wow, you created a matrix!

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Antworten (1)

Andrei Bobrov
Andrei Bobrov am 20 Okt. 2011

0 Stimmen

A=rand(4);
[j1,i1] = meshgrid(1:size(A,1));
Out = arrayfun(@(i1,j1)det(A([1:i1-1,i1+1:end],[1:j1-1,j1+1:end])),i1,j1)

2 Kommentare

Kevin
Kevin am 20 Okt. 2011
I don't understand....I'm looking for a siingle variable M that stores all the minors? This doesn't even use the for loop.
Andrei Bobrov
Andrei Bobrov am 21 Okt. 2011
I do not understand what you want. Read the help for each function used in the code and will understand everything.

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