how to compare each element of matrix?

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Dhines 2013-1-10

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here...i taken some variable as t ,value is 4(t=4),and f is a 4x4 matrix.. f=[1 2 3 4; 2 3 4 5 ; 5 6 7 8 ; 1 2 3 5].. how to compare the each element of matrix with T?

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Andrei Bobrov 2013-1-10

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编辑：Andrei Bobrov 2013-1-10

在 MATLAB Online 中打开

t = 4;
f = [1 2 3 4; 2 3 4 5 ; 5 6 7 8 ; 1 2 3 5];
out = abs(f - t) < eps(100)

ADD

out = f;
out(f <= t) = -4;

thank u sir..little bit doubt there in ur add part...when i get output form of fh the lowest value as represent -4 thats ok. but the greater value want to present as '4' ,there is print as only matrix value..please correct that one .