✍ Scribed by W. Wilson; L.J. Swartzendruber
No coin nor oath required. For personal study only.
Title of program: FLEXIBLE M~SSBAUERFIT ROUTINE Restrictions to the complexity of the program Catalogue number: ACML The present version of the program is dimensioned so that the maximum number ofindependent parameters the fitting func-Program obtainable from: CPC Program Library, Queen's tion may have is 100 and a maximum of 40 of these may be University of Belfast, N. Ireland (see application form in this varied at one time. The maximum number of data points alissue). lowed is 500. Any of these restrictions may be removed by Computer: UNIVAC 1108; Installation: National Bureau of increasing the dimensions of the appropriate variables. Standards, Gaithersburg, Maryland Typical running time Operating system: EXEC 8 On the UNIVAC 1108 at the National Bureau of Standards the loading and assembly of the program takes about 15 sec. Programming languages used: FORTRAN IV The execution time is highly dependent on the number of High speed store required: 40,000 words data points, the complexity of the fitting function, the ac-No. of bits in a word: 36 curacy of the initial estimates, and the number of partial derivatives which are evaluated numerically. In a trial run, in Overlay structure: None which reasonable estimates were used and 6 partial derivatives No. of magnetic tapes required: None were evaluated numerically, a 15 parameter function was fit to 320 data points in approximately 11 sec. The bulk of the Other peripherals used: Card reader, line printer time is utilized in calculating partial derivatives numerically. No. of cards in combined program and test deck: 2023 If m parameters are being varied in the fit, each ofwhich Card punching code: BCD calls for numerical evaluation of partial derivatives, the theoretical function subroutine is called m + 4 times for each
📜 SIMILAR VOLUMES
Title of program: LGFIT2 of 512 spectral data points and a maximum of 49 adjustable parameters (16 peaks and background). These limits may be Catalogue number: ABMK changed by redimensioning, and altering several preliminary Program obtainable from: CPC Program Library, Queen's check statements. Uni