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3D plot a linear function y=a*x for undefined constant "a"?

Dora Crawley
Posted 8 years ago

Hello! How can I get a 3D plot of the y=a*x function for every possible value of 'a', where 'a' is a real constant? Something like taking the 3D graphs of y=0.3x, y=x, y=2x, y=7x etc and adding them all together in one graph. Thank you
POSTED BY: Dora Crawley
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Hi Dora,

I am quite sure that I misunderstand your question, because it looks to me as if you need:

Plot3D[a x, {x, -2, 2}, {a, 0, 10}]

enter image description here

If you only want the points you could use 

ListPointPlot3D[Table[{x, a, a x}, {x, -2, 2, 0.1}, {a, 0, 10, 1}]]

enter image description here

But all of this is very basic and is very well documented. So I suppose that your question has some gist that I don't get. Could you explain this in more detail, please?

Cheers,

Marco
POSTED BY: Marco Thiel
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