if i want to change each value 1 in a matrix to 0 how to do that?

a=[1 2 3;1 3 3;2 1 2]

is there a function that make a as below

b=[0 2 3;0 3 3;2 0 2]

[José-Luis]

Is this homework?

This can be solved with a combination of loops (for) and conditional statements (if), or in a syntactically simpler way with logical indexing.

[mary]

nop i just want a function some reduced thing instead of using loops

Answer 1

[José-Luis]

b = a;
b(b==1) = 0;

[mary]

perfect thanx alot

[José-Luis]

Please accept an answer if it helped you.

[mary]

sure i just forgot ,, sorry ,, thanx again