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17
votes
2answers
566 views

How to inject an evaluated expression into a held expression? [duplicate]

I know that there are methods to structurally manipulate held expressions (discussed e.g. here), but I failed to apply those for this particular problem: ...
19
votes
5answers
1k views

How to pass a symbol name to a function with any of the Hold attributes?

Given a function with the attribute HoldFirst, HoldAll or similar, and a variable, list, how ...
11
votes
2answers
247 views

How can you stop ordering of InputField entries?

I have: InputField[Dynamic[d]] Dynamic[d] If I enter e.g. a b x^5 h m the entry automatically gets sorted, as per screen ...
35
votes
3answers
741 views

Replace inside Held expression

I wish to make functional replacement inside Held expression like this: ...