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%% Plot 3-D Functional Surface % %% % Use |meshgrid| to create a gridded _(X,Y)_ domain. % Copyright 2015 The MathWorks, Inc. [X,Y] = meshgrid(-2:.2:2, -2:.2:2); %% % Evaluate the function $z(x,y) = xe^{-x^2-y^2}$ over this domain and generate a % surface plot of the results. Z = X .* exp(-X.^2 - Y.^2); surf(X,Y,Z)