replacing components of a matrix

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Charlene
Charlene 2013-5-8
how to generate a matrix that replaces all components of a previous matrix lying between 2.9 and 3.2, by -1?

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Matt Kindig
Matt Kindig 2013-5-8
%your matrix is M
isBetween = (M >= 2.9) & (M <= 3.2);
M(isBetween) = -1
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Charlene
Charlene 2013-5-8
thx a lot however an other problem turned up; the other components that are not int between the interval became 0, while i need them to be equal as the previous matrix which is (A=random('norm',3,0.2,100,100))

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