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Question: How can plot3d a sub-surface from surface ?

Question:How can plot3d a sub-surface from surface ?

DuyDuc 27 Maple 2015
syntax plot3d surface plotting
June 19 2017
2

Hi, everybody.

I have a problem when I try to plot3d a sub-surface from a surface as follows:


 

> 

S := proc (u, v) options operator, arrow; Matrix([[40*u], [80*v], [10*u^2*v+20*u*v+15]]) end proc;

proc (u, v) options operator, arrow; Matrix([[40*u], [80*v], [10*u^2*v+20*u*v+15]]) end proc

 (1)
> 

S(u, v)

Matrix(3, 1, {(1, 1) = 40*u, (2, 1) = 80*v, (3, 1) = 10*u^2*v+20*u*v+15})

 (2)
> 

 

> 

p:= proc(u,v) if u<v then S(u,v) else S(u,v)+10 end if end proc:
> 

h:= proc(u) 2*u  end proc:
> 

plot3d(p, 0 .. 1, 0 .. h)

Warning, unable to evaluate the function to numeric values in the region; see the plotting command's help page to ensure the calling sequence is correct

  

 
> 

``


 

Download sub-surface.mw

sub-surface.mw

 

Please help me!

 

Thanks and have a nice day.

 

 
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