Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with symbols
Search options answers only
not deleted
user 4999
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.
5
votes
List names of symbols with its arguments
The output of ?string is either a structured list of names, if more than one name matches string, or first a list of a single name followed by a list of definitions, which may include OwnValues, DownV …
- 245k
2
votes
Get the symbol name of the function's nth argument
It's rare that the arguments in my function calls are all symbols.
Also getArgs[f_[fun___]] :=... seems more likely to be useful. …
- 245k
3
votes
Accepted
Get value of symbol
The problem is that the global symbols hidden in the definition of ab are not localized in the Manipulate. … Manipulate reassigns the a and b that appear in the code passed to Manipulate by Evaluate[Delete[ab, 0]] to localized DynamicModule symbols, which are then remapped to front-end dynamic variables whenever …
- 245k
7
votes
Accepted
What does the syntax C[1][x][y] mean?
It looks like an error. For C[1][x][y] to make sense C[1][x] must represent a single-variable function (and C[1] should represent a function that produces a function). However, in the solution retur …
- 245k
16
votes
Accepted
When is a symbol a Symbol? Is there an easy Mathematica way to test if an object is a symbol...
I'd probably use x_Symbol in a function argument to control evaluation. Otherwise, one might do the following (thanks to @Leonid for pointing out an oversight).
If the argument is to be evaluated befo …
- 245k
3
votes
Accepted
Apply Clear puzzle
I'm not sure how you have an unevaluated list of symbols that values, but you can use Unevaluated to keep it that way:
foo = 1; bar = 2;
Clear @@ Unevaluated@{foo, bar} …
- 245k