|Oct26-05, 12:02 PM||#1|
Inverting a Taylor serie
How can you invert a Taylor serie?
to y=ax+bx^2+cx^3 ...
without the lagrange theorem... must go from x=y+Ay^2+By^3+Cy^4.... to y=ax+bx^2+cx^3 ...
Need help thanks!
|Oct26-05, 01:29 PM||#2|
If you know the function from which the Taylor series was derived, then this paper might help:
Nested Derivatives: A simple method for computing series expansions of inverse functions
Basically, if you know f(x) then the method in that paper allows you to find a power series for f-1(x).
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