>> clear all

>> [X,Y] = meshgrid([-2:.25:2]) ;

>> Z = X.*exp(-X.^2 -Y.^2);

>> surf(X,Y,Z),title('default 3-D view: azimuth = -37.5°,elevation = 30°');

>> view(0,180),title('azimuth = 0°,elevation = 180°');

>> view(-37.5,-30),title('azimuth = -37.5°,elevation = -30°');