All Questions
13,811
questions with no upvoted or accepted answers
12
votes
0
answers
180
views
How to parallelize Reap and Sow in Mathematica 14.0.0?
I'm working with a huge amount of data, so I'm avoiding using AppendTo. I used to use the Reap and ...
- 121
12
votes
0
answers
108
views
Differences of Quantities gives different result in different Mathematica version
In Mathematica 12.2
Differences[{Quantity[1, "mm"], Quantity[1, "mm"]}]
gives
...
- 17.2k
12
votes
0
answers
258
views
Reduce: Var is not a valid variable
Bug introduced in 7.0 and persisting through 13.1 or later. Fixed in 13.2.0 or earlier.
I am trying to integrate the following but it returns a Reduce::ivar ...
- 1,897
12
votes
0
answers
375
views
Has the Undo command really been settled? On version 12.1 it only works sporadically. What are some reasons it drops steps?
Although Undo has been around since version 10 (before my time) I've noticed that sometimes it works just fine up to the moment of the last ...
- 2,467
12
votes
0
answers
634
views
How to use Mathematica in academic paper writing?
The Mathematica notebook is a great avenue for inspiring and realising research ideas. However, I do feel there are several missing jigsaws in the picture of writing academic paper fully in ...
- 4,367
12
votes
0
answers
264
views
Why is Product[1 + 1/k^5, {k, 1, Infinity}] equal to zero in 12.1?
Bug introduced in 12.1. Fixed in 12.2.
In all versions up to 12.0 it is
...
- 3,104
12
votes
0
answers
282
views
Internal error using part specification with Dataset
Bug introduced in 12.1.0. Fixed in 12.1.1
Update 2020-04-13
WRI has confirmed that this is a bug. CASE:4530401
Suggested workaround from WRI
...
- 10.3k
12
votes
1
answer
601
views
Modifying default magnification of documentation
Well, finally, after decades of Mathematica rendering notebooks incorrectly in Windows, and after many years of Mathematica not supporting high-resolution displays in Windows, finally version 12.1 ...
- 4,149
12
votes
0
answers
271
views
Documentation Creation in Mathematica 12.1
Last year, there was a LiveCEO discussion of refreshing the user-facing documentation creation modules for the next version of Mathematica. Has that made it into the recently released Mathematica 12....
- 19.7k
12
votes
0
answers
484
views
Why does Mathematica consume so much memory when reading binary data?
There are somewhat similar questions on here, but I didn't find a satisfying answer for this case: I import a 1.7 GB binary data file using the following command:
...
- 728
12
votes
0
answers
254
views
Continuous integration (CI, software development) with Wolfram Language?
Continuous integration (in the software engineering sense) is a common method to ensure that the code in your repository works as it should after each commit. For example, you can run a set of ...
- 3,527
12
votes
0
answers
289
views
Linear programming with lazy constraints
Does Mathematica offer any means for solving linear programming problems with "lazy constraints", as described e.g. here?
While I am not very familiar with linear programming, my understanding of the ...
- 236k
12
votes
0
answers
132
views
What changed in String handling between 11.0 and 11.3?
I was trying to optimize some String-handling code here using my standard trick of converting it to a list of bytes first and using basic list operations instead of ...
- 47k
12
votes
0
answers
159
views
LibraryLink: How to read from a Mathematica stream in C?
Mathematica has a flexible streams interface. Functions like Read can read from a "stream" that may be backed by a file, pipe, string, network resource, etc. We can ...
- 236k
12
votes
0
answers
273
views
Is Tooltip broken in MMA 11.1.1?
Bug introduced in 11.1.0 and persisting through 11.2.0
I have just discovered that Tooltip works differently from as described in the documentation, at least in my ...
- 407