Questions on undocumented functionality of Mathematica. Note that such functions might be subject to change without notice in future versions.

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21
votes
0answers
336 views

Graphics`Mesh`FindIntersections[ ] fails to detect intersections

Graphics`Mesh`FindIntersections[ ] is an undocumented function for, well, detecting intersections very efficiently. Take a look: ...
9
votes
0answers
77 views

Is “MaxMessageCount” broken or is its function counter-intuitive?

Behavior remains unchanged through Mathematica version 10.1.0 As noted by kguler the Front End option: MessageOptions -> "MaxMessageCount" does not appear to ...
8
votes
0answers
169 views

How can we extend the predictive interface so it can suggest new operations?

Introduction Mathematica 9 has introduced a new predictive interface. For each output, it suggest possible actions the user might want to take. How can this interface be extended so that it will ...
8
votes
0answers
172 views

TeXToBoxes and BoxesToTeX BoxRules options

A recent question has gotten me to look more into the tex conversion rules. Consider the following latex string: ...
4
votes
0answers
265 views

Strange behavior of undocumented RawArray and ArrayObject expressions

I discovered several strange results and inconsistencies while trying to understand what undocumented RawArray and ArrayObject ...
3
votes
0answers
36 views

What are Package` context symbols for?

The Package` context contains the following: What is the use of these undocumented functions? I found a reference to these in ...
3
votes
0answers
75 views

LibraryLink: Asynchronous Examples

Inside the directory structure of LibraryLink there are several example files. Basically, they are divided in two types: Synchronous: demo.c, demo_error.c, ...
3
votes
0answers
59 views

Undocumented options for “BalloonEmbedding” in GraphLayout

From an error message, I see some options of the BalloonEmbedding method for GraphLayout: ...
3
votes
0answers
68 views

Lists for built-in functions that can work without brackets

I just noticed that Exit and Quit can work without brackets i.e. a single Exit or ...
2
votes
0answers
71 views

Undocumented function SumOfSquaresReps

There is an interesting (and documented) number-theoretic function in MMA called PowersRepresentations[$n$, $k$, $p$]. It gives the distinct representations of the integer $n$ as a sum of $k$ ...
1
vote
0answers
57 views

Uploading sketch to Arduino from Mathematica

Since the device drivers for Arduino used by DeviceExecute have very poor performance for writing and receiving serial data to/from Arduino compared with the device ...
1
vote
0answers
42 views

Documentation for undocumented symbols RandomMatrix and SharingList?

In version 10.2, there are symbols Random`RandomMatrix and System`SharingList. I tried some experiments of my own, but could ...
1
vote
0answers
43 views

Understanding HoldSequence and ReleaseHoldSequence in Error Handling

I was playing with GeneralUtilities`PrintDefinitions in V10.1, and find some of native Mathematica functions using ...
1
vote
0answers
111 views

Does Graphics`Mesh`SimplePolygonQ[] work for you?

Graphics`Mesh`SimplePolygonQ is an undocumented function. I'm using Mathematica 7, and when I try: ...