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Graphing Compex Functions 3D (x,y,i axes) Instead Of Color-Coded 2D (x,i)

asked 2013-07-20 13:50:24 -0500

Joe Hobbit gravatar image

Following this guide to Sage: and using Sage Online produced the following graphs:

enter image description here

enter image description here

It would be nice to see it in 3D instead of merely color coded. The y-axis is coming out of the picture toward us and instead of seeing the 3D surface (in x,y,i coordinates) we see a color-graph on the x-i plane.

You can do what I wish using Maple:

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answered 2013-07-20 15:31:16 -0500

calc314 gravatar image

One approach would be to use plot3d. For example,

var('x,y')
plot3d(lambda x,y: norm(1/(((x+i*y)-3)*((x+y*i)+2))),(x,-4,4),(y,-4,4))

gives

image description

I've not been able to get the coloring that you'd probably like, but this does give the 3d plot rather than the 2d plot you were getting.

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Asked: 2013-07-20 13:50:24 -0500

Seen: 332 times

Last updated: Jul 20 '13