> | restart; |
> | f:=(x,y)->4*x^3 + 8*y^4; |
> | g:=(x,y)->12*x+32*y-32; |
> | plot3d([f,g], -1..2, -1..2, axes=boxed, title="(4.4) Example 1", color=[red,blue]); |
> | l:=(x,y)->x+sin(y)+3*x*y^2+exp(x); |
> | m:=(x,y)->x+1; |
> | plot3d([l,m], -1..1, -1..1,axes=boxed, lightmodel=none, color=[red,blue],title="(4.4) Example 2"); |
> |
> |
> |
> | h:=(x,y)->cos(x)^2 * sin(x*y); |
> | k:=(x,y)->-x-Pi*y+2*Pi; |
> | plot3d([h,k], 2..4, 0..2,axes=boxed, lightmodel=none, color=[red,blue],title="(4.4) Example 3"); |
> |