Spherical Coordinates and parametric equation

FuLin Xie shared this question 1 month ago

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How to enter Spherical Coordinates and parametric equation?

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ccambre ● 1 month ago

For spherical coordinates: use coordinates such as (2; 30°; 40°).

For parametric equations: use the commands Curve( ) and/or Surface( ). The input suggestions are clear. You have to provide the parametric aexpressions for x, y and/or z and define the parameter in it and the borders of the used parameter(s).

If you want specific information for a specific equation, please specify your question.

chris

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FuLin Xie ● 1 month ago

Thank you. Let me see.

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FuLin Xie ● 1 month ago

Could you give me a example?

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ccambre ● 1 month ago

The command Surface(2cos(t), l, 2sin(t), t, 0°, 180°, l, -2, 2) creates a half lying cylinder while the command Curve(5 cos(t), 2 sin(t), t, 0°, 270°) creates 3/4 of an ellips.

chris

Files: surf.ggb

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mathmagic ● 1 month ago

do you like?

Files: foro.ggb

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FuLin Xie ● 1 month ago

Yeah,I see it. It's helpful for me.

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