Programs in Physics & Physical Chemistry
|[Licence| Download | New Version Template] acrs_v2_0.gz(3 Kbytes)|
|Manuscript Title: A subroutine and procedure for the rapid calculation of simple off- diagonal rational approximants.|
|Authors: P.R. Graves-Morris, D.E. Roberts|
|Program title: ALGOL CALCULATION OF SODS|
|Catalogue identifier: ACRS_v2_0|
Distribution format: gz
|Journal reference: Comput. Phys. Commun. 9(1975)46|
|Programming language: Algol.|
|Computer: ICL 4130.|
|Operating system: DES 2.|
|RAM: 5K words|
|Word size: 24|
|Keywords: General purpose, Rational, Approximant, Simple off diagonal, Prong, Chisholm, Perturbation series, Pade.|
Nature of problem:
These approximants may be applied for resummation of the perturbation series with two interaction hamiltonians, e.g. that in potential scattering given by the sum of an attractive and a repulsive Yukawa potential, many other applications are envisaged, especially in the field of critical phenomena.
The problem must be well-conditioned. Note that the programs are written for an ICL 4130 with 48 bits floating point word length.
2N**4 m s approximately.
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