11-07-28maple.mws

> F1 := x * y^2;

F1 := x*y^2

> plot3d(F1, x=-3.0..3.00, y=-3.00..3.00);

[Maple Plot]

> plot3d(F1, x=-3.0..3.00, y=-3.00..3.00);

[Maple Plot]

> plot3d(F1, x=-3.0..3.00, y=-3.00..3.00);

[Maple Plot]

> X1 := diff(F1, x);

X1 := y^2

> Y1 := diff(F1, y);

Y1 := 2*x*y

>