All Questions
4
questions
1
vote
2
answers
106
views
Symbolic derivative of transposition
I have an expression:
expr = Transpose[x]+Transpose[f[x]]+Transpose[x+f[x]]
I want to differentiate this expression and desired result looks like this:
...
- 2,444
2
votes
1
answer
72
views
How to get the result in terms of a previously defined expression?
Say I have a vector
X[n_] := Table[Subscript[x, i], {i, 1, n}]
and a matrix of connections:
...
- 214
2
votes
1
answer
49
views
Replace sub-expressions matching a pattern unless located under specific heads
Suppose I have some rule, e.g. Re[x_] :> (x + Conjugate[x])/2. I want to apply it to all matching sub-expressions in some expression, excluding any sub-...
- 7,273
7
votes
2
answers
231
views
Efficient Search for specific Terms in symbolic Expression
I have a large symbolic expression with six variables a,b,c,d,e,f per term, roughly like this:
...
- 2,182