Topic: Please help!
I want to draw a point where two relations with an animated variable intersect, but I don't know how
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I want to draw a point where two relations with an animated variable intersect, but I don't know how
Approximate methods:
If R1 = { (x,y) | f(x,y) = 0 } and R2 = { (x,y) | g(x,y) = 0 },
then
(R1 and R2) ~ { (x,y) | abs(f(x,y)) < d and abs(g(x,y)) < d }
or
(R1 and R2) ~ { (x,y) | f(x,y)^2 + g(x,y)^2 < d^2 },
where d is a small positive number.
Thank you!
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