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2019-05-20 20:47:55 +0200 | commented question | Options, e.g. title, thickness, etc for plot3d and parametric_plot3d? Thanks. I resolved the thickness issue. As for the surface, here's what I have so far, which works: Three questions: Is there a more efficient way to create surface above? How might I superimpose a cross-section on the surface? Is it possible to add a command/routine to permit rotating the surface with a mouse?
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2019-05-18 11:55:09 +0200 | asked a question | Options, e.g. title, thickness, etc for plot3d and parametric_plot3d? I'm switching from Mathematica to Sage for teaching purposes and am having some difficulty with plot options. Here's an example, in which I create the function f(x,y)=x^2+y^2 and plot the function along with the cross-section curve f(.2,y). Questions: - The title does not appear. How can I correct that?
- Changing the "thickness" option doesn't appear to have any effect on the cross-section curve.
For 2-dim graphs, I don't seem to encounter problems. To plot a contour diagram for the above function, I entered the following, which worked fine: |

2019-05-18 11:55:09 +0200 | asked a question | Adding title, modifying axes labels, etc. for plot3d? I'm switching from Mathematica to Sage for teaching purposes and am having some difficulty with plot options. Here's an example, in which I create the function f(x,y)=x^2+y^2 and plot the function along with the cross-section curve f(.2,y). Questions: - The title does not appear. How can I correct that?
- Changing the "thickness" option doesn't appear to have any effect on the cross-section curve.
For 2-dim graphs, I don't seem to encounter problems. To plot a contour diagram for the above function, I entered the following, which worked fine: |

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