User Lukas

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

Stack Exchange Network

current community

your communities

more stack exchange communities

Next privilege

Next badge

44 Questions

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

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

Use different markers/colors in logarithmic plot depending on sign

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

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

Make NonlinearModelFit return continuous function

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

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

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

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

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

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

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

Help at speeding up simplification/nested symbolic integration

Multi-index variable depending on signature of permutation of indices

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

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

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

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

Avoid hardcoding of variables for Compile by using a list

Debug numerical error inside CompiledFunction

Reshape output of TeXForm into one-line string

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

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

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

NIntegrate a vector function without using Indexed and NDSolveValue?

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

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

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

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