Questions tagged [undocumented]
Questions on undocumented functionality of Mathematica. Note that such functions might be subject to change without notice in future versions.
329
questions
2
votes
1
answer
257
views
Experimental`CreateNumericalFunction
When working with a Compile function I can specify if a given argument is a matrix, a vector or a scalar. For instance, something like:
...
- 535
6
votes
0
answers
156
views
A Curiosity: What is DispatchQ?
As shown below, my autofill in Mathematica showed an interesting function: DispatchQ. Yet, it does not appear in the Mathematica Documentation Center, a search for ...
- 1,627
3
votes
0
answers
97
views
Why are some symbols recognized by Mathematica but nowhere in the documentation? [duplicate]
I was trying to calculate a Groebner basis for a given set of polynomials, and I did it successfully. But I wanted to calculate the conversion matrix between the original basis and the Groebner basis....
- 131
6
votes
1
answer
216
views
Implicit Riccati Equation Solver (to find the anti-stabilizing solution)
I've found that the latest MATLAB icare() solver includes the possibility to find also the anti-stabilizing solution of the Riccati equation.
I haven't found a ...
- 2,202
5
votes
0
answers
69
views
What does the PerformanceGoal option of FindMinimum do?
FindFit and FindMinimum both have a PerformanceGoal option. It is not documented. What does ...
- 236k
5
votes
1
answer
547
views
In search of lost time: Mathematica keyboard shortcuts
I am wondering about all the shortcuts that there are in Mma, besides the documented ones in https://reference.wolfram.com/language/tutorial/KeyboardShortcutListing.html.
Are there any undocumented ...
- 783
11
votes
1
answer
258
views
What's the solver behind Method -> {“EquationSimplification” -> “MassMatrix”}
Related: What's behind Method -> {“EquationSimplification” -> “Residual”}
By reading the document carefully, I've learnt that there are 3 possible options in "EquationSimplification" ...
- 1,461
3
votes
1
answer
146
views
Control page width when using ExportPacket[..., "InputText"]
Suppose we have a cell like this:
...
- 236k
7
votes
1
answer
134
views
Is AlgebraicRulesData magical?
I am trying to understand what AlgebraicRules is all about in the answer to this question. It apparently returns an ...
- 19.7k
16
votes
1
answer
316
views
What does Reduce`FreeVariables really do? And can we rely on it?
Very frequently, in answers on this site, the undocumented function Reduce`FreeVariables comes up in the context of generating a list of variables inside an ...
- 19.7k
1
vote
0
answers
108
views
How to make my custom neural layer only apply noise during training (similar to how DropoutLayer behaves)?
Utilizing some undocumented Mathematica functionality, I implemented it like this:
...
- 619
5
votes
1
answer
205
views
How to author a workflow?
I find the workflow refpages in the doc center very helpful, and I'd like to make some of my own:
Workflows seem to be notebooks of "Text" and ...
- 31.6k
5
votes
1
answer
154
views
Is it possible to get current thickness for every Line, Polygon, Circle object in a plot?
When exporting Mathematica graphics to raster formats with high resolution the common problem is that thickness for such objects as Line, ...
- 62k
19
votes
1
answer
181
views
Why does setting SyntaxInformation add a definition to DefaultValues
Before setting any definitions to the symbol f, the DefaultValues of f is empty:
...
- 19.7k
5
votes
1
answer
87
views
How to extend the DefaultDuration of Manipulate[] when it has Bookmarks?
How to extend the DefaultDuration of
Manipulate[x,{x,0,1},Bookmarks->{"beginning":>(x=0),"end":>(x=1)}]
to 20 ...
