Fast Sparse Tensor Addition
A problem on the pattern (:) of Heads
Finite element method solution data, Mathematica 13.1
Still bug in Integrate
How to Specify Arrowhead Color
Animating a potential function (eigenfunctions of Laplace's equation) - something has changed
Sum indexed over set
Fast Sparse Tensor Addition https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=274994
How can one do a fast sparse tensor addition? Below, I have the following code: We first generate 3 random sparse 1000x1000x1000 tensors with 10^6 entries each. Then, I want to add them. But the usual ... [list-manipulation] [performance-tuning] [tensors] [sparse-arrays]
asked by Florentin Münch https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=88547 Score of
7 answered by Henrik Schumacher https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38178
Score of 7 A problem on the pattern (:) of Heads https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=275078
I defined Clear[f, g] f[(h : Exp | Log)[x_]] := x; g[(h : Log | Exp)[x_]] := x; The code gives a weird result: ... [argument-patterns] [head]
asked by Curious Cat https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=88660 Score
of 6 answered by lericr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=84894
Score of 10 Finite element method solution data, Mathematica 13.1 https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=275183
I just upgraded to Mathematica 13.1 and encountered the following issue (this is just code from the first few lines of the FEM programming documentation): ... [differential-equations] [finite-element-method] [documentation]
asked by Will.Mo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=49788
Score of 5 Still bug in Integrate https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=275120
Let us consider in version 13.1 on Windows 10 j = Integrate[2^(I*x)*Log[x]/x, {x, b, Infinity}] ... [calculus-and-analysis] [bugs]
asked by user64494 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7152 Score
of 5 answered by Akku14 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34287
Score of 5 How to Specify Arrowhead Color https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=275080
I've been researching this question on how best to specify just an arrowhead's color. I've tried a Graphics primitive but to no avail. I've written this code and would like to color just the ... [graphs-and-networks]
asked by PRG https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42700 Score of 5
answered by swish https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2490
Score of 7 Animating a potential function (eigenfunctions of Laplace's equation) - something has changed
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=275139
I had this working with Kuba's help some time ago see here but something has changed. I am using version 13.0. The animation lay out has changed to this configuration where the animation bar is ... [dynamic] [finite-element-method]
asked by Hugh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12558 Score of
4 answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111
Score of 2 Sum indexed over set https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=275209
Say I have sets = {{a,b},{c,d},{e,f}} and I want to compute a sum like f[a,b] + f[c,d] + f[e,f] . One way to do this is to do <... [summation] [partitions]
asked by almostsurely https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=88700 Score
of 4 answered by user293787 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=85954
Score of 7