• InverseSeries[s, x] takes the series s generated by Series, and gives a series for the inverse of the function represented by s.
• InverseSeries performs "reversion" of series.
• Given a series
, InverseSeries[s, x]
gives a series for
can be applied to any SeriesData
object with the appropriate structure, whether or not it has been generated by Series
• New in Version 1.