MATLAB: How can I FIND column of array part from another large array

columntwo matrix

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]

Best Answer

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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