All Questions
Tagged with undocumented implementation-details
10
questions
5
votes
2
answers
289
views
What do the arguments of a generated BSplineFunction mean?
For example, if we evaluate this:
BSplineFunction@{{0,100},{200,50},{200,0}}
we'll get
...
- 3,740
5
votes
0
answers
65
views
What are the valid options for the "ParametricCaching" option in ParametricNDSolve?
I am using ParametricNDSolve as part of the calculation of an objective function for an optimization, so I am trying to strike a balance between memory usage and ...
- 15.3k
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
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
14
votes
1
answer
304
views
How is the Hessian computed using ``Experimental`NumericalFunction``?
Here and here it was explained how to use Experimental`NumericalFunction to compute the Hessian of a numerical function. I would like to know how this undocumented ...
- 1,982
24
votes
2
answers
592
views
What can be inlined by "InlineExternalDefinitions" -> True?
This not-well-documented option of Compile has been used quite a bit in this site, and based on these examples, I used to think ...
- 67.1k
12
votes
3
answers
378
views
What is the equivalent of $ModuleNumber for DynamicModule
Mathematica provides access to $ModuleNumber which can be enormously useful.
Unfortunately I can't find the equivalent for ...
- 47k
13
votes
1
answer
2k
views
Possible Method for MatrixExp
Well, probably a hard question, but I think it's better to cry out loud :).
I noticed that MatrixExp has a Method option when ...
- 67.1k
9
votes
0
answers
235
views
Finding hidden treasure (aka finding undocumented functions) [duplicate]
I was searching for a way to determine if a point is within a polygon and stumbled upon rm -rf's answer. (actually, I really wanted to find a point within a ...
- 19.7k
60
votes
1
answer
3k
views
What's inside InterpolatingFunction[{{1., 4.}}, <>]?
I'm curious what's inside the InterpolationFunction object?
For example:
...
- 27.7k