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Results tagged with calculus-and-analysis
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user 41414
Questions related to the calculus and analysis branches of Mathematica, including, but not limited to, limits, derivatives, integrals, series, and residues.
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Drawing a tangent plane to the torus
I'm trying to draw a torus and a plane tangent to it. Here is my code so far:
F[x_, y_] := {Cos[x] (3 + Cos[y]), Sin[x] (3 + Cos[y]), Sin[y]}
dxF[x_, y_] := D[F[a, b], a] /. {a -> x, b -> y}
dyF[x_, …
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