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InverseSeries

InverseSeries[s]
takes the series s, and gives a series for the inverse of the function represented by s.
InverseSeries[s, x]
uses the variable x in the inverse series.
  • Given a series s(y), InverseSeries[s, x] gives a series for y such that s(y)=x.
EXAMPLESCLOSE ALL
Basic Examples   (3)
Find a series for the inverse function of x Sin[x]:
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Find a series for the inverse function of Sin[x]:
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Find the series for the inverse of the function represented by an explicitly specified series:
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Invert again to get back the original function:
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