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How to plot a point in 3-D and Rotation of the point ?

lvl107
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‎Nov 19, 2020 02:12 PM
‎Nov 19, 2020 02:12 PM

How to plot a point in 3-D and Rotation of the point ?

Hello Everyone.
From :


       Point.PNG

To : 1. How to plot a point in 3-D and :

       2. Rotation of that point a angle t (say, = Pi/2) about X-axis ?
Thanks in advance for your time and help.
Regards.

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lvl107
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‎Jul 08, 2023 06:33 PM
‎Jul 08, 2023 06:33 PM

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lvl107
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‎Jul 15, 2023 02:00 AM
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Truncated-Chamfered Octahedron ( 7 ).png

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lvl107
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‎Jul 20, 2023 01:57 PM
‎Jul 20, 2023 01:57 PM

Jessen's Icosahedron ( 0^.5 + 1 ).png

( Jessen's Icosahedron )

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Jessen's Icosahedron ( 5^.5 + 1 ).png

( Jessen's Icosahedron { 5^.5 + 1 } )

Jessen's Icosahedron ( 0^.5 + 1 ).xmcd
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lvl107
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‎Aug 05, 2023 12:02 PM
‎Aug 05, 2023 12:02 PM

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lvl107
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‎Aug 10, 2023 02:02 AM
‎Aug 10, 2023 02:02 AM

 

Rhombic Triacontahedron ( 5 ).png

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lvl107
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‎Aug 18, 2023 12:28 PM
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lvl107
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‎Aug 19, 2023 12:34 PM
‎Aug 19, 2023 12:34 PM

Truncated Icosahedron ( 2 ).png

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lvl107
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‎Aug 25, 2023 07:51 PM
‎Aug 25, 2023 07:51 PM

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lvl107
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‎Sep 05, 2023 11:31 PM
‎Sep 05, 2023 11:31 PM

Orthographic Projection ( Tetrahedron ) on the Sphere.png

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Orthographic Projection ( Tetrahedron ) on the Sphere ( ' ).png

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lvl107
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‎Sep 10, 2023 02:57 PM
‎Sep 10, 2023 02:57 PM

 

I.PNG

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lvl107
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‎Sep 16, 2023 01:19 PM
‎Sep 16, 2023 01:19 PM

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lvl107
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‎Sep 17, 2023 03:08 AM
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Werner_E
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(To:lvl107)
‎Sep 17, 2023 08:26 PM
‎Sep 17, 2023 08:26 PM

I really don't understand why you use these awkward long expressions for everything and why you want to represent a curve as a surface! What's wrong with the simple way of displaying a curve in 3D??

Werner_E_1-1694997168037.png

 

And of course its much easier to handle if you like to create some sort of animations, here a very simple one

Simple-Animation2.gif

 

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lvl107
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‎Sep 18, 2023 03:49 AM
‎Sep 18, 2023 03:49 AM

  I greatly appreciate your time and help, Werner. I got it. :

_3D_Curve.PNG

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_3D_Curve.xmcd
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lvl107
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‎Sep 18, 2023 04:26 AM
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lvl107
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‎Sep 23, 2023 12:38 PM
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lvl107
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‎Sep 25, 2023 01:38 PM
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lvl107
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‎Sep 30, 2023 02:46 AM
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lvl107
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‎Oct 06, 2023 07:06 PM
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lvl107
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‎Oct 08, 2023 12:08 PM
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lvl107
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‎Oct 09, 2023 05:11 PM
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From Jessen's Icosahedron To Regular Icosahedron ( Animation I ).PNG

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From Rhombic Dodecahedron To Pentagonal Dodecahedron ( Animation III ).PNGFrom Rhombic Dodecahedron To Pentagonal Dodecahedron ( Animation IV ).PNGFrom Rhombic Dodecahedron To Pentagonal Dodecahedron ( Animation V ).PNG

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