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lurscher
  • Member for 7 years, 7 months
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15 votes
2 answers
1k views

SphericalHarmonicY does not seem to be an eigenfunction of the spherical harmonic equation

10 votes
2 answers
832 views

inspecting step size and order of $\tt NDSolve$

8 votes
2 answers
518 views

Discretizing regions with pointy boundaries

7 votes
1 answer
454 views

Problem with Neumann condition in quarter disc

4 votes
1 answer
190 views

Saved InterpolatingFunction behaving badly

2 votes
0 answers
146 views

projecting a RegionProduct into 3D space

2 votes
1 answer
143 views

Put/Get don't accept a string-valued expression as filename [duplicate]

2 votes
1 answer
412 views

Toroidal implicit region looks weird

2 votes
2 answers
141 views

Regularization of singular linear system

1 vote
1 answer
666 views

Dirichlet conditions being ignored

1 vote
0 answers
587 views

PrecisionGoal and AccuracyGoal making the solution less accurate?

1 vote
0 answers
2k views

Replace function and its derivatives [duplicate]

1 vote
1 answer
238 views

Maximum step size as a scalar function on the domain

0 votes
2 answers
132 views

Unable to simplify the real part of a complex expression

0 votes
1 answer
122 views

Invoking functions in other kernels

0 votes
0 answers
46 views

Inspecting the evaluation stack on computation abort [duplicate]

0 votes
1 answer
95 views

DiracDelta behaves incorrectly on multidimensional integral [duplicate]

0 votes
2 answers
144 views

Unevaluated derivatives of known functions after replacement

0 votes
2 answers
649 views

Submatrix with linearly independent columns