want to plot MSE for a given error

Please somebody tell me how to write code for Mean Square error

Answer 1

[Wayne King]

Assume x is one vector and y is another. you can think of x as your original and y the fit.

x = randn(100,1);
y = randn(100,1);
mean(abs(x-y).^2)

If X and Y are images

   X= randn(256,256);
   Y = randn(256,256);
   absD = abs(X-Y).^2;
   sum(absD(:))/numel(X)

[suresh]

Thank you sir, i vow u big time u really helping me these day to do coding.. thanks a ton