Linked Questions
10 questions linked to/from Pattern matching Association in rules
2
votes
2
answers
113
views
Building a replacement rule from a pattern, Assocation and RuleDelayed [duplicate]
I'm trying to create a function that builds a replacement rule from a given pattern and I have trouble understanding what's going wrong.
After having written most of the question, I see that it got ...
- 34.4k
22
votes
4
answers
1k
views
Is expression in Mathematica well defined?
According to Mathematica, everything is an expression. So an atom is also an expression. But in other parts of documentation, they say that an expression is of form ...
- 1,079
32
votes
2
answers
2k
views
List of atomic expressions
I was surprised to see Graph objects are atomic. Is there a way (through documentation or programmatically) to find all atomic heads?
The ones I know of are:
...
- 36.8k
16
votes
3
answers
591
views
Evaluated vs. unevaluated Association
This question might have a remote connection to my older question, it is also about sameness of expressions and subtle differences observable only in certain forms.
I encountered this strange ...
- 7,333
14
votes
2
answers
941
views
Replace and Association
I'm surprised that I can't find this question already, so perhaps I'm missing something obvious. I would like to take a list of associations and remove any with value ...
- 6,117
6
votes
2
answers
148
views
How to define a functional that produces at runtime a function by evaluating selected parts in its definition?
Consider the following functional as an example:
...
- 9,751
2
votes
3
answers
198
views
Using Association[] in an Immediate Function
I have an Association[] which is the result of an intensive computation. Its values include the variable x and I would like to ...
- 1,605
6
votes
2
answers
190
views
4
votes
1
answer
93
views
Refer to OptionValue externally without a specific function name
I want to refer to the actual option values of a function f outside of f, using OptionValue. ...
- 47.2k
2
votes
2
answers
69
views
Pattern matching in Association fails in `Set` assignment
I want to define a symbolic-valued function using Set to memoize the result. However, I get different results when using an ...
- 131