MATLAB: I would like to compare two matrixes with different dimension, A and B if any of the element in A is matched with B then that element in A has to be set to zero

comparisonmatrix

A=[1 2 3 2 4 45 32 5] B=[5 6 4 8 2 6 4 8 4 6 98 5 4] then the result marix has to be A=[1 0 3 0 0 45 35 0] I tried with looping but it is slow since my marix set is too big. Please help me out. Thanks in advance

Best Answer

A(ismember(A,B))=0

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MATLAB: How to retrieve a matched element or a number in lookup table

TrigTable = [      0         0    1.0000
             30.0000    0.5000    0.8660
             45.0000    0.7070    0.7070
             60.0000    0.8660    0.5000
             90.0000    1.0000         0];
V1=0.5;
V2=0.866;
SineIdx   = find(TrigTable(:,2)==V1);
CosineIdx = find(TrigTable(:,3)==V2);
if SineIdx==CosineIdx
 AngleDeg = TrigTable(SineIdx,1);
end

MATLAB: Comparing between Array Elements and result matrix too

c=bsxfun(@eq,b,a)

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MATLAB: How to retrieve a matched element or a number in lookup table

MATLAB: Comparing between Array Elements and result matrix too

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