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Results tagged with series-expansion
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user 5866
Questions on dealing with series data and constructing power series expansions of functions.
1
vote
0
answers
84
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Decimal representations of analytic values in an expansion
I have a solution to an ODE (which I call sol), which I would like to expand in terms of Log[1+x] around x=-1. I thought that:
Series[y[x] /. sol, {Log[1+x], -1, 6}]
would do the trick, but it does …
- 63
4
votes
2
answers
2k
views
How do I solve N simultaneous equations for N variables?
I have a function:
f[x_] := x + 31 x^3 + 5 x^25
Which I want to find an expansion for:
ex[x_, a_, b_, c_, d_] := a + b x + c x^3 + d x^25
I do this by solving to find the coefficients a,b,c,d by …
- 63