Creating 2D array,2D plotting & Function

f(x,y)=3(1-x)^2exp(-x^2-(y+1)^2)-10(x/5-x^3-y^5)exp(-x^2-y^2)-1/3exp(-(x+1)^2-y^2) for -3<x<3; -3<y<3; use meshgrid,use nested loop,create function f(x,y),create counter plot and surf plot

[Jan]

What have you tried so far and what is your specific question? Currently the question sounds like a homework assignment.