> | restart; |
Section (1.1) Example 2:
> | v1 := (x,y) -> exp(-(x-5*y)^2); plot3d( v1(x,y), x=-3..6, y=0..0.5, labels =[`x`, `time`, `u(x,t)`], axes=FRAMED, style=patch); plot3d( v1(x,y), x=-3..6, y=0..0.5, labels =[`x`, `time`, `u(x,t)`], axes=FRAMED, style=contour); |
Section (1.1), Example 5:
> | v2 := (x,y) -> x^3*exp(3*y)-1; plot3d( v2(x,y), x=-1..1, y=0..0.5, labels =[`x`, `time`, `u(x,t)`], axes=FRAMED, style=patch); plot3d( v2(x,y), x=-1..1, y=0..0.5, labels =[`x`, `time`, `u(x,t)`], axes=FRAMED, style=contour, color=black); |
> |