Abstract

Title of program: RKPC Catalogue number: ABBH Program obtainable from: CPC Program Library, Queen's University of Belfast, N. Ireland (see application form in this issue) Computer: IBM 3083J24; Installation: University of the Witwatersrand Computer Centre Operating system: VM/SP HPO 4.2 Programming language used: FORTRAN VS LEVEL 1.4.1, LANGLVL (77) High speed storage required: 20272 bytes for OPT(0) compile No. of bits in a byte: 8 Peripherals used: card reader, line printer No. of cards in combined program and test deck: 617 Nature of the problem Numerical integration of the vector equation d y/d x = f( x, y). Method of solution Application of second to sixth order, fixed step, Runge-Kutta or predictor-corrector integration formulae. Restrictions on the complexity of the problem Vector dimension set for 20 components. Typical running times Dependent on required range and accuracy: for the test cases it is in the range 0.14 to 0.18 s.

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