Sorting two simple matrices

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Jonathan Moorman 2021-2-23

评论： Jonathan Moorman 2021-2-23

Hi! I need to sort matrix A from least to greatest; however, the values are tied to matrix B. How can I can make B adjust with a matrix A sort.

Matrix A and B are the starting values, and A' and B' are the desired answer.

A = [ 2, 3, 1, 4]

B = [ 6, 5, 1, 10]

A' = [ 1, 2 , 3, 4]

B' = [ 1, 6, 5, 10]

James Tursa 2021-2-23

编辑：James Tursa 2021-2-23

Use the 2nd output argument of the sort( ) function, which has the indexing. E.g.,

[Asorted,ix] = sort(A);
Bsorted = B(ix);

Works great. Thanks!

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