Questions tagged [undocumented]
Questions on undocumented functionality of Mathematica. Note that such functions might be subject to change without notice in future versions.
338 questions
2 votes
1 answer
84 views
What is the meaning of the output when the modulus is a polynomial?
The documentation of Modulus suggests that the value of this option should be an explicit number (or Automatic). However, ...
- 627
1 vote
0 answers
109 views
Trying to fix ResourceFunction["PolyhedronCanonicalForm"] so it will run correctly
Here's the notebook in the Function Repository. (I didn't include the full code here since you can download it through the link, but if it needs to be included here, I am happy to do so.) I'm ...
- 2,162
8 votes
3 answers
776 views
Arrowheads getting reversed on Circle
I'm trying to create an animation using Graphics and Manipulate to represent a time-varying torque on a system. The idea is ...
- 15.5k
0 votes
0 answers
70 views
Sparse LU decomposition
There is an undocumented function SparseArray`SparseLUDecomposition which, i believe, does a LU decomposition on a sparse array, returning a sparse array (?) But when I apply this function on a test ...
- 391
3 votes
0 answers
83 views
ExtrapolationHandler near miss
I want to use the undocumented option ExtrapolationHandler of InterpolatingFunction to set the value outside the range. Here's ...
- 20.6k
11 votes
2 answers
613 views
Which functions use a given option?
I occasionally discover Options which look like they might be useful, if only I knew which functions used that option. Is there a resource that lists all the functions which use a given option? What ...
- 1,574
5 votes
1 answer
116 views
Undocumented behavior of Fold for arbitrary heads [closed]
Edit: I'm apparently blind. Sorry! And thanks to those who answered anyway. Apologies in advance if this is sort of a nitpicky question, but I'm generally very paranoid that I don't fully understand ...
- 111
3 votes
0 answers
108 views