Replacing an element in a matrix, then storing it as a different variable name

Hello!

I am having a hard time replacing an element in a matrix and then being able to rename the new matrix with the replaced values.

For example:

I use

x=[1 2 1; 3 4 3; 5 6 5]

I want to replace all the '3' with '4' AND be able to call the solution x2

I know that I can replace elements with the equation

x(x==3) = 4

but that changes the values in x

I want to create a new matrix with the replaced values as 'x2'

I keep running into the problem of not being able to use "=" more than once in a line of code.

Help is much appreciated!!

Answer 1

[madhan ravi]

x2 = x;
x2(x2==3) = 4