to sort a matrix

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Rengin
Rengin 2016-1-25
编辑： Stephen23 2016-1-25
% Dear user!
% I have A and B matrices as below
A=[1;2;3;4;5];
B=[12;14;18;16;10];
C=[A B];
% I want to create a D matrix sorting the second column of C matrix as
% below:
D=[5 10;1 12;2 14;4 16;3 18];
% How can I do it? Thank for your help?

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Stephen23
Stephen23 2016-1-25
编辑：Stephen23 2016-1-25
Use sortrows with its optional second argument to select the second column:
>> A = [ 1; 2; 3; 4; 5];
>> B = [12;14;18;16;10];
>> sortrows([A,B],2)
ans =
5 10
1 12
2 14
4 16
3 18

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