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Lukas

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mathematical-optimization

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44 Questions

Votes Activity Newest Views
3
11
votes
1
answer
287
views

Why FoldList 5 times faster than Apply for matrix multiplication? [duplicate]

matrix performance-tuning
May 5 '16 at 23:29 J. M.'s ennui♦ 116k
2
10
votes
2
answers
1k
views

Non-commutative algebra (NCAlgebra): How to properly SetCommutingOperators

symbolic packages ncalgebra
Apr 28 '17 at 0:58 Mauricio de Oliveira 821
 
10
votes
5
answers
420
views

Use different markers/colors in logarithmic plot depending on sign

plotting logarithmic-scale
Jun 26 '15 at 10:51 Community♦ 1
1
9
votes
6
answers
494
views

How to generate this structure of a list without `While` and the like?

function-construction coding-style
Apr 26 '16 at 7:34 Lukas 2,552
 
8
votes
0
answers
418
views

How to determine reason for kernel crash? -> Nelder Mead optimisation

mathematical-optimization kernel crash
Feb 3 '15 at 11:02 Community♦ 1
 
7
votes
3
answers
321
views

Make NonlinearModelFit return continuous function

fitting
Aug 28 '15 at 14:53 Community♦ 1
3
7
votes
1
answer
538
views

How to stop optimization (e.g. NMinimize) after reaching target value

mathematical-optimization
May 7 '15 at 19:49 george2079 37.9k
 
6
votes
1
answer
529
views

Find numerical solution of (overdetermined) system of differential(-algebraic) equations

differential-equations equation-solving numerical-integration
Jan 28 at 11:17 J. M.'s ennui♦ 116k
1
6
votes
1
answer
301
views

How to speed up evaluation of expression (multiple variables) to gain speed? Compile?

performance-tuning simplifying-expressions compile
Aug 29 '18 at 7:33 Henrik Schumacher 85.9k
 
6
votes
2
answers
402
views

Gray boxes around labels in exported image (PDF, JPEG,…)

plotting graphics export
Feb 16 '18 at 10:52 SLesslyTall 303
 
6
votes
0
answers
237
views

Getting CUDALink (Toolkit 7.5) to work on Linux, Mathematica 10.0.2, GTX750

linux cudalink
Oct 18 '16 at 8:36 Community♦ 1
1
5
votes
3
answers
575
views

How to be more efficient/faster with this MatrixExp-vector multiplication?

matrix performance-tuning linear-algebra
Sep 15 '17 at 18:03 Carl Woll 113k
 
5
votes
3
answers
131
views

Create pattern to “redo” Nest for symbolic purposes, e.g. for commutators

pattern-matching symbolic expression-manipulation functional-style
Apr 22 '17 at 19:09 Mr.Wizard 259k
 
5
votes
2
answers
761
views

Help at speeding up simplification/nested symbolic integration

calculus-and-analysis performance-tuning symbolic
Apr 13 '17 at 10:38 Community♦ 1
3
5
votes
4
answers
226
views

Multi-index variable depending on signature of permutation of indices

function-construction symbolic permutation index
Apr 1 '16 at 22:05 SquareOne 6,740
 
5
votes
0
answers
159
views

List(Log)Plot with “high” resolution results in various warnings, e.g. BinCounts::step

plotting warning-messages
Oct 23 '15 at 11:12 Jason B. 58.6k
2
5
votes
2
answers
415
views

Automatically detect higher slope in numerical data (within a certain range)

fitting data
Sep 1 '15 at 19:46 user8074 1,532
1
4
votes
2
answers
331
views

Elegant way to partition list to be faster than `ParallelTable` (using `ParallelSubmit`), or some alternative?

list-manipulation performance-tuning parallelization partitions
Feb 25 '16 at 16:19 Community♦ 1
 
4
votes
1
answer
320
views

How to transform a list (of sums) into list of summands

list-manipulation replacement
Aug 11 '15 at 2:14 Jens 93.2k
1
3
votes
2
answers
111
views

Avoid hardcoding of variables for Compile by using a list

performance-tuning compile
Mar 29 '18 at 5:48 b3m2a1 42.7k
 
3
votes
1
answer
236
views

Debug numerical error inside CompiledFunction

performance-tuning warning-messages compile
Mar 22 '18 at 14:05 Community♦ 1
 
3
votes
1
answer
151
views

Reshape output of TeXForm into one-line string

string-manipulation latex
Jul 17 '17 at 10:53 kglr 303k
1
3
votes
1
answer
81
views

How to combine those rules into one? Does something like default values exist for patterns?

pattern-matching symbolic expression-manipulation
Apr 12 '17 at 0:45 Community♦ 1
 
3
votes
1
answer
242
views

Seemingly wrong eigenvectors for numerical matrix whose elements differ in scale by orders of magnitude

matrix numerics linear-algebra eigenvalues
Mar 20 '17 at 5:02 J. M.'s ennui♦ 116k
 
3
votes
0
answers
96
views

Does NDSolve automatically simplify the system of equations for Hermitian matices?

differential-equations linear-algebra
Oct 7 '15 at 17:25 Lukas 2,552
1
2
votes
0
answers
93
views

NIntegrate a vector function without using Indexed and NDSolveValue?

numerical-integration
May 30 '18 at 8:42 Lukas 2,552
 
2
votes
2
answers
260
views

How to treat indexed variables as Reals? Can they be symbolized?

calculus-and-analysis symbolic assumptions
Nov 18 '17 at 7:52 Alexey Popkov 50.2k
 
2
votes
1
answer
82
views

Use pattern as Assumptions: How to properly extend working pattern? [duplicate]

simplifying-expressions pattern-matching symbolic
Apr 26 '17 at 14:38 Stitch 4,085
 
1
vote
0
answers
37
views

Make an existing solution for monitoring parallel jobs robust against dying kernels

dynamic parallelization
Apr 29 '16 at 10:25 Community♦ 1
 
1
vote
1
answer
88
views

Customized `ParallelTable` - Automate `ParallelSubmit` - Possibly an issue with `HoldAllComplete` attribute

performance-tuning parallelization hold
Feb 24 '16 at 19:43 Community♦ 1
1
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