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8 votes
2 answers
873 views

Replacing product expressions - named vs. unnamed pattern?

Suppose I have an expression of the form a b c d + x y z The FullForm of this is ...
David's user avatar
  • 15k
3 votes
1 answer
120 views

How to replace the symbol n in DifferenceRoot

I'd like to employ another symbol (say alpha or k) instead of n in the following (type of) ...
Paul B. Slater's user avatar
2 votes
2 answers
157 views

Replacing with pattern on built-in symbols?

I have: f[a, b] /. f[x__] -> g[x, 0] // InputForm (* Out: g[a, b, 0] *) Which is what I expect, but when I use a built in symbol instead of ...
user1747134's user avatar