how to find matrix in a matrix?

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eri
eri 2012-10-17
i have matrix a and b. matrix b is created from matrix a components(rows in this case). now i want to find out from which row of matrix a did matrix b created?
for example:
a=[4 5 7;5 8 9;6 3 1;9 8 5;7 6 5]
b=[4 5 7;6 3 1;9 8 5]
answer:
1;3;4

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Matt J
Matt J 2012-10-17
Use the command ismember(...,'rows')

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