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Mathematica symbols are the ultimate atoms of symbolic data. Every symbol has a unique name, exists in a certain Mathematica context or namespace, and can have a variety of types of values and attributes.

9 votes
2 answers
386 views

How to convert a list of variable names into a list of formal symbols?

names = {"a", "b", "μ", "Σ"} I would like to construct a lists of formal symbols from these such the above list will return {\[FormalA], \[FormalB], \[FormalMu], \[FormalCapitalSigma]} I have … Symbol["$" <> #] & /@ names {$a, $b, $μ, $Σ]} How do I get a list of formal symbols from a list of variable names. …
Edmund's user avatar
  • 43.2k
7 votes
0 answers
74 views

Dataset Crashes Information and Definition functions

Bug in 11.0.1 fixed in 11.1.0 Has anyone else noticed this odd function crash with Datasets. Try the following in a clean kernel. ds = ExampleData[{"Dataset", "Planets"}] ?`* Repeated $Recu …
Edmund's user avatar
  • 43.2k
5 votes
1 answer
186 views

How to get "BasicFunctions" from WolframLanguageData with implicit entity

I am trying to get a list of the functions that have property "FunctionalityAreas" -> "BasicFunctions". The following does not work: Entity["WolframLanguageSymbol", {EntityProperty["WolframLangu …
Edmund's user avatar
  • 43.2k
13 votes
1 answer
173 views

How to remove a LocalSymbol (or CloudSymbol)?

Remove[LocalSymbol["MySolution"]] DeleteFile[FileNameJoin[{$LocalSymbolBase, "MySolution"}]] How are these symbols cleaned up? Similarly, how would you clean up a CloudSymbol? …
Edmund's user avatar
  • 43.2k
32 votes
2 answers
1k views

How to make Mathematica variables declarative instead of just-in-time?

Is there a way to have Mathematica at the notebook level (SetOptions[EvaluationNotebook[], CellContext -> Notebook]) only uses a set of declared variables in the notebook context. Any variables that a …
Edmund's user avatar
  • 43.2k