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PLOTnFIT: A BASIC program for data plotting and curve fitting

Abstract

PLOTnFIT is a BASIC program to be used with an IBM or IBM-compatible personal computer (PC) for plotting and fitting curves to measured or observed data for both extrapolation and interpolation. It uses the Least Squares method to calculate the coefficients of nth degree polynomials (e.g., up to 10th degree) of Basis Functions so that each polynomial fits the data in a Least Squares sense, then plots the data and the polynomial that a user decides best represents them. PLOTnFIT is very versatile. It can be used to generate linear, semilog, and log-log graphs and can automatically scale the coordinate axes to suit the data. It can plot more than one data set on a graph (e.g., up to 8 data sets) and more data points than a user is likely to put on one graph (e.g., up to 225 points). A PC diskette containing (1) READIST.PNF (a summary of this NUREG), (2) INI06891.SIS and FOL06891.SIS (two data files), and 3) PLOTNFIT.4TH (the latest version of the program) may be obtained from the National Energy Software Center, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439. (author)
Authors:
Publication Date:
Oct 01, 1989
Product Type:
Technical Report
Report Number:
NUREG-1378; INIS-XA-N-044
Resource Relation:
Other Information: Refs, figs, tabs; PBD: Oct 1989
Subject:
99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; COMPUTER CODES; DIAGRAMS; LEAST SQUARE FIT; PERSONAL COMPUTERS; POLYNOMIALS; PROGRAMMING LANGUAGES
OSTI ID:
20472061
Research Organizations:
U.S. Nuclear Regulatory Commission, Office of Nuclear Reactor Regulation, Washington, DC (United States)
Country of Origin:
IAEA
Language:
English
Other Identifying Numbers:
TRN: XA04N0061047203
Availability:
Available from INIS in electronic form
Submitting Site:
INIS
Size:
148 pages
Announcement Date:
Jun 18, 2004

Citation Formats

Schiffgens, J O. PLOTnFIT: A BASIC program for data plotting and curve fitting. IAEA: N. p., 1989. Web.
Schiffgens, J O. PLOTnFIT: A BASIC program for data plotting and curve fitting. IAEA.
Schiffgens, J O. 1989. "PLOTnFIT: A BASIC program for data plotting and curve fitting." IAEA.
@misc{etde_20472061,
title = {PLOTnFIT: A BASIC program for data plotting and curve fitting}
author = {Schiffgens, J O}
abstractNote = {PLOTnFIT is a BASIC program to be used with an IBM or IBM-compatible personal computer (PC) for plotting and fitting curves to measured or observed data for both extrapolation and interpolation. It uses the Least Squares method to calculate the coefficients of nth degree polynomials (e.g., up to 10th degree) of Basis Functions so that each polynomial fits the data in a Least Squares sense, then plots the data and the polynomial that a user decides best represents them. PLOTnFIT is very versatile. It can be used to generate linear, semilog, and log-log graphs and can automatically scale the coordinate axes to suit the data. It can plot more than one data set on a graph (e.g., up to 8 data sets) and more data points than a user is likely to put on one graph (e.g., up to 225 points). A PC diskette containing (1) READIST.PNF (a summary of this NUREG), (2) INI06891.SIS and FOL06891.SIS (two data files), and 3) PLOTNFIT.4TH (the latest version of the program) may be obtained from the National Energy Software Center, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439. (author)}
place = {IAEA}
year = {1989}
month = {Oct}
}