How to find a minimum value of a matrix according to another matrix?

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anil hamzacebi
anil hamzacebi 2020-12-29
评论： anil hamzacebi 2020-12-29
Hello everyone!!!
I have two 1x10 matrixes named A and B.
A=[1 1 2 3 3 2 4 5 4 5];
B=[0 3 10 6 15 22 23 28 21 25];
I need to find the each minimum values of B while A has different values. For example;
while A is 1, minimum of B is 0
while A is 2, minimum of B is 10
while A is 3, minimum of B is 6
...
I hope you can help me, thank you!!!

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Bruno Luong
Bruno Luong 2020-12-29
编辑：Bruno Luong 2020-12-29
A=[1 1 2 3 3 2 4 5 4 5];
B=[0 3 10 6 15 22 23 28 21 25];
[AU,~,AA]=unique(A(:));
MB=accumarray(AA,B(:),[],@min);
[AU,MB]

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