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Question: 2 questions...

Question:2 questions...

Jean Jacques 148
January 22 2006
0
Hi Maple's experts! I have two questions related to "iso-product" lines (in economics): 1. I draw the following graphs F:=plot3d( min(x,30*y), x=0..20, y=0..20): G:=plot3d( min(20*x,y), x=0..20, y=0..20): display({F,G}); a) How could I graph the contourlevels of the "combined" graphic of F and G? b) Obviously, the contourlevels are not convex.. it would be possible to "convexify" that?. 2. How could I do the same a) and b) if F:=plot3d( min(x,30*y), x=0..20, y=0..20): G:=plot3d( min(20*x,y), x=0..20, y=0..20): H:=plot3d( 3*(x*y)^(1/2), x=0..20, y=0..20); display({F,G,H}); I hope the questions are clear.(maybe it is plot3d is not the appropiate way to deal with that problem.. but I am really lost). Thanks in advance, Jean Jacques
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