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Results tagged with series-expansion
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user 472
Questions on dealing with series data and constructing power series expansions of functions.
3
votes
1
answer
1k
views
Series expansion really slow
UPDATE
Seems the problem is associated with the division. I've tried taking the Normal[Series[]] of each numerator and denominator separately, and then again taking the Normal[Series[]] of that, and …
- 455
0
votes
1
answer
117
views
Since when is a log distributed across a finite sum?
I have this:
$ord = 9;
eq = X^Q - V^P ((V - 1)^Q/(c^(P - Q) (V - c^2)^Q)) /. Q -> 2 /.
P -> 3
VV = Series[Sum[a[i] X^i, {i, 0, $ord}], {X, 0, $ord}]
Solve[((eq /. X -> 0) == 0), V]
VV = VV /. a …
- 455
0
votes
0
answers
84
views
Interpretation of a function
I know this is not great, as far as a question, but I came across this function,
NExpand[expr_,vars_,NN_Integer/;NN>0]:=
Expand[
Normal[
Series[
expr/.((#->lambda #)&/@vars)
,{lambda, …
- 455