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How to draw intersection path of two surfaces or curves in 3D and intersection contour in 2D?
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How to find and draw path of intersection between two curves in 3D and intersection of contours of both in 2D.
The same question 
Which curves?
Any two surfaces .
f(x,y) = x^2 - y
x^2 + y^2 = 1
How to find/draw path of intersection.. Contours as well.
Curve(cos(t), sin(t), 1 - sin(t) - sin²(t), t, 0, 2π)
you have changed a(x,y)
use Curve(cos(t), sin(t), a(cos(t), sin(t)), t, 0, 2π)
In any curve can we use
Curve(cos(t), sin(t), a(cos(t), sin(t)), t, 0, 2π) [Pls explain how it work]
for intersections. otherwise pls share general procedure for which i can make intersection.
general procedure does not exist and never will exist
so, Pls explain how do you know Curve(cos(t), sin(t), a(cos(t), sin(t)), t, 0, 2π) work for intersection. In this parametrization i can see x=cost , y= sint , z=a(x(t) , y(t)) , where is my constraint equation x^2 + y^2 = 1. what if i change my constraint equation. how do i adjust intersection.
What if more than 2 curves intersects and want to know intersect where all all curves intersects.
Curve(cos(t), sin(t), a(cos(t), sin(t)), t, 0, 2π)
This work for every a(x,y) but it did not work for when i changes constraint equation. and where is detail of constraint in above command.
Hello Team,
Pls suggest the solution of my above question.
Thanks . Found the solution by looking pattern.
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