Eigenvalues[ A, B ] is slower than Eigenvalues[LinearSolve[B, A]] for generalized eigenvalue problems
Numerical solution of Burgers' equation
Match two lists based on same elements
DiscretizeRegion ignores mesh options
Determine two ellipses common tangent via degenerate conics / linear algebra
Discrepancy between LineIntegrate and SurfaceIntegrate results in Stokes theorem verification
How to import one sheet from a spreadsheet directly into a Tabular?
Eigenvalues[ A, B ] is slower than Eigenvalues[LinearSolve[B, A]] for generalized eigenvalue problems
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=311265
Eigenvalues[{A, B}] is the standard usage for solving the generalized eigenvalue problem $Ay=\lambda By$. ... [linear-algebra] [eigenvalues]
asked by renphysics https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5569 Score of 9 answered by Henrik Schumacher https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38178
Score of 14 Numerical solution of Burgers' equation https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=311299
I am trying to solve Burgers' equation $$\frac{\partial u}{\partial t}+u\frac{\partial u}{\partial x}-\frac{1}{100\pi}\frac{\partial^2u}{\partial x^2}=0$$ subject to conditions $u(x,0)=-\sin(\pi x)$ ... [differential-equations] [finite-element-method] [finite-difference-method]
asked by Naraghazi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=104474 Score of 7
answered by Ulrich Neumann https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53677
Score of 6 Match two lists based on same elements https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=311375
I have two large lists: list1 = {{a,v},{a,h},{b,v},{b,k},{c,t},{c,r},{d,r}}; list2 = {{v,dc},{v,rt},{h,kl},{h,oi},{h,po},{k,ö},{k,dc},{t,re},{r,qw},{r,ay},{r,ül}}; ... [list-manipulation] [string-manipulation]
asked by M.A. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57695 Score of
6 answered by lericr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=84894
Score of 5 DiscretizeRegion ignores mesh options https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=311330
I'm trying to build a mesh on a parametric 2D region in 3D space, but discretization seems not be affected by any options related to mesh quality. ... [regions] [mesh]
asked by Vsevolod A. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=51665 Score
of 6 answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111
Score of 8 Determine two ellipses common tangent via degenerate conics / linear algebra
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=311261
Suppose we have two ellipses. The goal is to find their common tangents. Consider these toy models: ... [equation-solving] [linear-algebra] [geometry] [code-request] [ellipse]
asked by Anton https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81381 Score of
6 answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628
Score of 9 Discrepancy between LineIntegrate and SurfaceIntegrate results in Stokes theorem verification
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=311310
Discrepancy between LineIntegrate and SurfaceIntegrate Results in Stokes Theorem Verification Im working on an exercise in Mathematica to verify Stokes theorem for the 2D vector field $$ \mathbf{A}(... [calculus-and-analysis]
asked by Ferca https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=62888 Score of 5 answered by Daniel Huber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46318
Score of 2 How to import one sheet from a spreadsheet directly into a Tabular?
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=311352
I have a spreadsheet (.xlsx) with multiple worksheets. I want one worksheet as a Tabular with the proper column headers. Currently I use Import to produce a list of lists and use Tabular to convert it ... [import] [tabular]
asked by Alan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19530 Score of
5 answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628
Score of 10