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
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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,
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- 627
7
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250
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Undocumented change to behavior of Labeled[] in 14.3 intended?
In 14.2 the following produces labels aligned as one might find natural:
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- 1,606
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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
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Is there any documentation about functions under Experimental`? [closed]
Is there any documentation about functions under Experimental` ?
?? Experimental`*
I can see:
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- 1
8
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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
4
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What's the recovery/smoothing/averaging method of SolidMechanicsStrain?
Consider the following example from document of SolidMechanicsStrain with minimal modification:
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- 71.6k
0
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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
4
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1
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140
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How to fix the TeXForm issue of Indexed?
There is a useful (undocumented) feature of Indexed:
the indices can be tagged by Up|Down, and then the scripts will be ...
- 3,467
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83
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ExtrapolationHandler near miss
I want to use the undocumented option ExtrapolationHandler of InterpolatingFunction to set the value outside the range. Here's ...
- 20.6k
2
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1
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Internal`MRealToString Gives Scientific Output From Large Inputs. How To Stop This?
The undocumented Internal`MRealToString works just fine for reals up to 999999. For anything over it outputs scientific notation. I don't need scientific, I need simple decimal.
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- 2,072
11
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2
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615
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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 ...
- 1,606
4
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156
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How to remove only circular refs in Language`ExpressionStore
Expressions are not garbage collected if there are references to them stored in the expression store. I use the following internal functions:
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- 871
5
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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
5
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What is computed by LinearAlgebra`Private`MatrixConditionNumber?
The following returns 51/7, even though the condition number is actually 9. I'm curious, what does 51/7 correspond to for this matrix?
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- 7,681
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