how can I FIND column of array part from another large array?

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areej abdulshaheed
areej abdulshaheed 2019-11-21
评论： areej abdulshaheed 2019-11-21
if I have two un equal matrix like A and B. How can I find the column of matrix A corrseponding to matrix B which have the same value?
for example if I have this array
B=[ 11 22 33 44 55 66 77 99 12 13 16 17 ]
A=[ 11 44 33 22 55 66 77 12]

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Ruger28
Ruger28 2019-11-21
编辑：Ruger28 2019-11-21
MATLAB has a function for this : ismember
doc ismember
B=[11 22 33 44 55 66 77 99 12 13 16 17];
A=[11 44 33 22 55 66 77 12];
[TrueFalse,IndexValues] = ismember(A,B); % is A inside of B
% TrueFalse is a logical representation of the values of A in B
% IndexValues is the indices of those values in B

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