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L
lvl10720-Turquoise
20-Turquoise
August 27, 2023
Question

How to plot an Arc in 3D with Mathcad 15 ?

  • August 27, 2023
  • 1 reply
  • 3105 views

Hello Everyone.
From :

Plot_Arc.PNG

 

How to plot an Arc in 3D with Mathcad 15 ?
Thanks in advance for your time and help.
Best Regards.
Loi.

1 reply

W
Werner_E25-Diamond I
25-Diamond I
August 27, 2023

Depends upon what is known from the arc.

But basically you would first have to find a parameter representation and then use CreateSpace().

Werner_E_0-1693171343447.gif

 

L
lvl10720-TurquoiseAuthor
20-Turquoise
August 28, 2023

I greatly appreciate your time and explanation, Werner. ðŸ¤” ðŸ™„

Sorry,.. my question is not clear :

Arc_through_4_points.png

 

How to plot an Arc go through 4 points ? ( start-point : red , end-point : orange )

Best regards.

Loi.

W
Werner_E25-Diamond I
25-Diamond I
August 28, 2023

What kind of "arc"? You sure can't demand it to be part of a circle (which usually is defined by just three points)

In your example, by chance (?) all four points lie in a plane and on the same circle arc (with center in the origin). But this is not normally the case with four arbitrary points in space.
So if you want to envisage an arc of a circle, you must only specify three points, not four!

 

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