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how to delete same cols from a matrix

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Brian Kim
Brian Kim 2017-3-3
关闭： MATLAB Answer Bot 2021-8-20
for example, a=[4 5 6 5 6 4; 4 6 5 3 5 4; 4 7 2 8 2 4; 4 2 4 7 4 4; 4 3 9 1 9 4;] is.
so, row=1 & 5 and row =2 & 4 is same.
what i want is to delete same row. but each ones must remain.

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KSSV
KSSV 2017-3-3
doc unique
b = unique(a', 'rows')'

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