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Question: How to change range on Contour Plot?

Question:How to change range on Contour Plot?

BSW_Action 10 Maple
April 11 2017
1

Hi,
I don't understand how contourplot chooses it's view range. I would like a contour plot to go from r=0..10 and display axes from [-10..10, -10..10].


plots:-contourplot(r*sin(phi), r = 0 .. 10, phi = 0 .. Pi, coords = spherical, grid = [80, 80]);

doesn't produce a plot with range [-10..10]. Adding view doesnt compute anything differeently, just makes the axes bigger.plots:-

contourplot(r*sin(phi), r = 0 .. 10, phi = 0 .. Pi, coords = spherical, grid = [80, 80], view=[-10..10,-10..10]);

I want more contour lines near the endpoints of the range. why is it focused in the middle?

any help is appreciated, 

Thanks!

 


 
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