All Questions
Tagged with built-in-symbols replacement
8 questions
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 ...
- 797
1
vote
1
answer
113
views
Substitution of expressions for the output
I have a code which gives this kind of output :
W = Sum[v[j]*b[j], {j, 1, 3}];
AA = (v[1]*b[1] + v[2]*b[2] + v[3]*b[3])*2 + 3 ;
I know that if i want to ...
- 25
5
votes
2
answers
921
views
Replacing dot by *?
I am unable to replace dot by *.
Replace[a.a, .-> *]
Is there any solution to get this done?
- 625
6
votes
5
answers
375
views
First evaluate in place all subexpressions matching pattern before substituting result
ReplaceAll[expr, {patt1:>rhs1, patt2:>rhs2, …}] works by looking for and making all possible replacements of subexpressions in ...
- 19.8k
1
vote
1
answer
98
views
any possible meaning to a "terminal" slash (/)? [closed]
I've been directed to the web page
http://functions.wolfram.com/07.31.16.0001.01
The first statement in the formula is
...
- 2,385
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) ...
- 2,385
1
vote
1
answer
220
views
Replace symbols in output without evaluation
I found the Wolfram example for ExpandNCM but I want a more human-readable output form. I want to evaluate ExpandNCM, for example with ...
- 842
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
...
- 15k