replace minimum value of each column with nan

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Leela Sai Krishna
Leela Sai Krishna 2019-3-18
评论： madhan ravi 2019-3-18
i have a 10*10 matrix.
How to replace the minimum value from each column with nans.
ex; [10,5
2,8
8,1];
the desired out put should be like
[10,5
nan,8
8,nan];
thanks

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madhan ravi
madhan ravi 2019-3-18
编辑：madhan ravi 2019-3-18
M(M==min(M))=nan % where M is your matrix
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Leela Sai Krishna
Leela Sai Krishna 2019-3-18
thanks a lot it works.......
and just one more query. plz help me on this
A=[10,0.5
1,8
8,0];
A_max =max(A);
out=[10,8];
i want to replace values <15%A_max with nans
output matrix
Out=[10,nan %0.5 is less than the 15%8
nan,8 % 1 is <15%10
8,nan];

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