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Results tagged with Search options user 36939

Questions related to the calculus and analysis branches of Mathematica, including, but not limited to, limits, derivatives, integrals, series, and residues.

2
votes
2answers
I do not understand why I cannot maximise the following integral by changing v rrrintegral[egap_?NumericQ, v_?NumericQ] := Module[{}, NIntegrate[energy^2/(Exp[(energy - v)] - 1), {energy, egap …
asked Mar 20 '18 by Tomi
4
votes
1answer
I would like to calculate $$ \mathbf T = (\mathbf B \bullet \nabla) \mathbf B$$ Where nabla (the upside down triangle) is the grad operator $(\partial/\partial x,\partial/\partial y,\partial/\parti …
asked Jun 8 '16 by Tomi
5
votes
3answers
I would like to find the surface normal for a point on a 3D filled shape in Mathematica. I know how to calculate the normal of a parametric surface using the cross product but this method will not w …
asked Dec 31 '17 by Tomi
1
vote
Wether this is enough to warrant an "answer" is debatable and it relies on MichaelE2's work, but I felt it was helpful to share. Using Michael E2's solution, we can plot and clearly see the normals …
answered Jan 1 '18 by Tomi