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The functions described in this chapter accelerate the convergence of a
series using the Levin *u*-transform. This method takes a small number of
terms from the start of a series and uses a systematic approximation to
compute an extrapolated value and an estimate of its error. The
*u*-transform works for both convergent and divergent series, including
asymptotic series.

These functions are declared in the header file `gsl_sum.h`.

• Acceleration functions: | ||

• Acceleration functions without error estimation: | ||

• Example of accelerating a series: | ||

• Series Acceleration References: |