Questions on undocumented functionality of Mathematica. Note that such functions might be subject to change without notice in future versions.
4
votes
1answer
71 views
What's the simplest way to plot an ErrorListPlot with only y error bars?
Sometimes I get really tired of Preparing data for making an ErrorListPlot using Thread and friends. Is there a simpler way to plot an ErrorListPlot with only y ...
4
votes
3answers
226 views
Parameters for the CIE XYZ Color Space in Mathematica
In Mathematica, producing a color based on its RGB parameters is easy; one can use (for example)
...
4
votes
1answer
139 views
A Graphics`Mesh`ConvexHull[] peculiarity
I have been unbale to explain the behavior of Graphics`Mesh`ConvexHull[] on the following (highly simplified) example:
...
8
votes
2answers
205 views
Is there a “GrabHand” and “OpenHand” MouseAppearance in Mathematica?
MouseAppearance[Plot[Sin[x], {x, 0, 5}], "LinkHand"]
Unfortunately I cannot get a screen grab to show the link hand but it is a cartoon hand with a finger ...
7
votes
0answers
101 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 ...
5
votes
0answers
66 views
What are \[InvisiblePrefixScriptBase] and \[InvisiblePostfixScriptBase]?
In the non-printing characters documentation, I see two named characters that are largely undocumented: \[InvisiblePrefixScriptBase] and ...
3
votes
0answers
61 views
Specifying a graphics object for the width of a median marker
In a previously posted question VLC used the element specification
{"MedianMarker", filledCircle[10], Black}
in a box and whisker chart, where
...
7
votes
1answer
163 views
What is the complete list of valid FrontEnd Packet types?
In response to my question How can I get the unchanged Box form of an arbitrary expression? John Fultz answered with a method using the hilariously named ...
18
votes
1answer
264 views
What does “EquationalLogic`FindCounterexample[]” do?
I found the undocumented EquationalLogic`FindCounterexample[] by browsing the lists of available symbols, but I have no clue about its purpose.
The name is ...
5
votes
0answers
118 views
What Method options does FindInstance accept?
While answering Trouble getting FindInstance to return multiple results for certain constraints it became clear that for this problem FindInstance would be better ...
10
votes
3answers
190 views
In InputField, how to prevent Shift-Return from generating a new cell?
When running the following in a notebook (not a deployed CDF file), it can sometimes be annoying that accidentally pressing Shift-Return breaks out of the user ...
17
votes
1answer
267 views
How do I find all the possible events that work with EventHandler?
The EventHandler documentation, More Information section, lists 5 mouse events:
...
18
votes
3answers
515 views
Is using undocumented functionality a Bad Idea™?
Mathematica has a lot of very useful undocumented features. For example a hash table, a built-in list of compilable functions, additional options to CurrentValue, ...
15
votes
1answer
357 views
What is the meaning of the last argument passed to the ColorFunction of a ParametricPlot3D?
According to the docs, the meaning of the arguments passed to ParametricPlot3D is $x, y, z, u, v$. This is 5 arguments: the Cartesian coordinates and the two ...
21
votes
4answers
582 views
Question about collections of custom GUI controls for Mathematica
Background: I have only recently begun programming GUIs in Mathematica, so I have a continuous need for custom controls. I needed a scrollable list control and with the help of Google I found a ...
20
votes
1answer
637 views
Does Mathematica support variable frame rate for any video format, in analogue of GIF-style “DisplayDurations”?
The good old GIF animation format allows us to set the duration of each individual frame in the animation separately. This is especially useful if some frames in ...
10
votes
1answer
132 views
Is there a way to have a Tooltip for non-editable raster graphics produced by MakeBoxes?
I have a function which produces a large object I would like to hide. Formatting is of course an option but I'm hoping for something a little more meaningful using raster graphics and ...
30
votes
5answers
559 views
Items known by CurrentValue
CurrentValue can be used to poll the state of numerous system values such as the mouse position. Its help page doesn't list all possible items, though. An item like ...
31
votes
2answers
957 views
Internal`Bag inside Compile
Since Internal`Bag, Internal`StuffBag and Internal`BagPart can be compiled down, it is a ...
11
votes
3answers
262 views
Undocumented syntax of FilledCurve [duplicate]
Possible Duplicate:
Undocumented form for FilledCurve[]
A nice trick to get the outline paths of letters is to use the PDF exporter/importer
...
44
votes
5answers
1k views
What are some useful, undocumented Mathematica functions?
There have already been some questions about some undocumented functionality in Mathematica. Such as (please add to these lists!)
How can one find undocumented options or option values in ...
17
votes
2answers
277 views
Undocumented form for FilledCurve[]
New in Mathematica 8 is FilledCurve (and its cousin JoinedCurve). The docs state that this function can take a list of segments ...
58
votes
4answers
1k views
How can one find undocumented options or option values in Mathematica?
Mathematica has a lot of undocumented or poorly documented options.
How does one go about working out if there is an undocumented option that might solve a particular problem?
How does one work out ...
