Unanswered Questions
12,617 questions with no upvoted or accepted answers
52
votes
0
answers
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views
Hyperlinks not preserved when saving in PDF format in MMA V10
Bug introduced in 10.0 or earlier and fixed in 11.0.0
I usually create my course contracts in Mathematica and then save them in PDF format. The notebooks include hyperlinks and these have ...
- 25.2k
47
votes
0
answers
2k
views
Fast Spherical Harmonics radiative transfer
This is a rather specific question and I apologize for spamming you with some lengthy code. But it could be interesting for some reader and maybe you can help out, so please bear with me.
I am using ...
- 141
42
votes
0
answers
796
views
Front end goes wild with named slots
Bug introduced in 10 and fixed in 12.1
Assume the following simple expression
{#"Test"}&
Now go in front of the #...
CommunityBot
- 1
40
votes
0
answers
1k
views
Performance problems in new Sequence functions
The new-in-10.1 Sequence* family of functions should provide newly optimized methods for handling sequence problems. Happily in some cases they do! For example ...
CommunityBot
- 1
37
votes
0
answers
996
views
Changing FrontEnd automatic scrolling in version 8
In Mathematica versions < 8, the FrontEnd has a very intelligent behavior:
On evaluation, it by default automatically scrolls down the Notebook window to the last printed Output cell but also ...
- 60.7k
34
votes
1
answer
718
views
Benchmarking: unexplained switching between high and low performance
tl;dr I am trying to accurately benchmark some vectorized operations, and compare them between systems. But benchmarking is hard to do well, and I am getting inconsistent results: performance is ...
CommunityBot
- 1
33
votes
0
answers
732
views
How to design CloudObjects with reasonable CloudCredit costs
Note: I originally thought to post this as a non-answer/extended comment to this question; however I feared that I would end up hijacking the original question. It is likely a duplicate with the ...
CommunityBot
- 1
27
votes
0
answers
2k
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Nonlinear least squares on a GPU with Mathematica 9
Update: A Mathematica wrapper for (https://github.com/zitmen/cuLM) should allow for us to directly implement the Levenberg-Marquardt algorithm in CUDA for nonlinear least squares fitting.
In a ...
CommunityBot
- 1
26
votes
0
answers
1k
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ListContourPlot and ListContourPlot3D use better interpolation for arrays of values than for lists of tuples (i.e. {{x,y,z,f[x,y,z]}..}
From reading the documentation, it seems that ListContourPlot3D should work equally well on an array versus a list of tuples,
?ListContourPlot3D
...
- 266k
26
votes
0
answers
519
views
Compile not correctly initializing a variable defined inside Module
Bug introduced in 8.0, fixed in 10.4, intentionally reintroduced in 11.0 and persisting through 13.0.0 or later
In the following example, inside the minimumX's <...
- 9,192
26
votes
0
answers
1k
views
Kinect on Mathematica
I saw on the internet a lot of nice experiments with Microsoft Kinect. I just bought one and would like to know if someone here has been able to use it with Mathematica.
The main idea is to been able ...
- 5,629
25
votes
0
answers
555
views
LibraryLink: What can we do with MInputStream and MOutputStream?
Version 9 introduced the WolframStreamsLibrary.h header for LibraryLink. It contains MInputStream and ...
- 230k
25
votes
0
answers
1k
views
How would I improve this Karaoke machine code?
I was looking at a large collection of Import/Export user suggestions the other day and it dawned on me that we finally have MIDI import in Mathematica 9, which is rather interesting since MIDI ...
CommunityBot
- 1
24
votes
0
answers
1k
views
Mathematica vs. state-of-the-art SAT solvers
I found some fascinating paper by Marijn Heule and Oliver Kullmann on advances in SAT solvers and automated reasoning. In particular, the authors where able to show (a year earlier) a breakthrough ...
- 2,092
23
votes
0
answers
389
views
Breaking change of Total in Mathematica 12.0?
Total has been changed in Mathematica 12.0. The documentation seems to contradict itself.
In one line it states:
Total[ $f[ e_1,e_2,...]$ ] gives the sum of the $e_i$ for any head $f$
In the next ...
- 230k