find the minimum the function using GA

f(x,y) = (x-1)*sin(y)

[Matt J]

error occur

We have no way to be sure what error you saw. You should paste the error messages into your Question.

Answer 1

[Matt J]

One problem that I see: your 2 unknowns must be passed to obj as a single argument

   obj=@(x)  (x(1)-1).*sin(x(2))