HURRY: An Acceleration Algorithm for Scalar Sequences and Series

  title={HURRY: An Acceleration Algorithm for Scalar Sequences and Series},
  author={Theodore Fessler and William F. Ford and David A. Smith},
  journal={ACM Trans. Math. Softw.},
We present a general acceleration algorithm for alternating and monotone scalar sequences and series. The main components of the algomthm are the subroutines WHIZ and HURRY. WHIZ is a recursive implementation of Levin's u transform, and HURRY {which calls WHIZ) estimates truncation and round-off errors to make a near-optimal stopping decision and provide a very good estimate of the accuracy of the computed answer. We also present a test driver program that demonstrates the capabilities of HURRY… CONTINUE READING

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