Computer Programs
NEA-0507 CURFIT/SURFIT.
last modified: 01-NOV-1977 | catalog | categories | new | search |

NEA-0507 CURFIT/SURFIT.

CURFIT SURFIT, 2-D Polynomial Least Square Fit to Experimental Data

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1. NAME OR DESIGNATION OF PROGRAM:  CURFIT/SURFIT.
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2. COMPUTERS
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Program name Package id Status Status date
CURFIT/SURFIT NEA-0507/02 Tested 01-NOV-1977

Machines used:

Package ID Orig. computer Test computer
NEA-0507/02 IBM 370 series IBM 370 series
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3. NATURE OF PHYSICAL PROBLEM SOLVED

CURFIT fits a polynomial to experimental data. SURFIT fits a surface in two variables to experimental data.
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4. METHOD OF SOLUTION

The classical least squares method is applied to a polynomial in standard form. The resulting normal equations are solved by Gaussian elimination.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:  Only low power polynomials/surfaces should be fitted.
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6. TYPICAL RUNNING TIME
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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM
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8. RELATED OR AUXILIARY PROGRAMS: RELATED AND AUXILIARY PROGRAMS
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9. STATUS
Package ID Status date Status
NEA-0507/02 01-NOV-1977 Tested at NEADB
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10. REFERENCES
NEA-0507/02, included references:
   - A. J. Colville;
     Least Squared Error Curve (CURFIT) and Surface (SURFIT)
     Matching Routines. DPTN/713 (Sept. 29, 1975).
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11. HARDWARE REQUIREMENTS: MACHINE REQUIREMENTS
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0507/02 FORTRAN-IV
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13. SOFTWARE REQUIREMENTS: OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS
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15. NAME AND ESTABLISHMENT OF AUTHOR

      A.J. Colville
      OECD High Temperature Reactor Project Dragon
      AEE, Winfrith
      Dorchester, Dorset U.K.
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16. MATERIAL AVAILABLE
NEA-0507/02
File name File description Records
NEA0507_02.001 INFORMATION 2
NEA0507_02.002 DUMMY MICROFICHE PLOTTER ROUTINES - F4 42
NEA0507_02.003 CURFIT SOURCE PROGRAM - F4 -EBCDIC 399
NEA0507_02.004 CURFIT JCL 3
NEA0507_02.005 CURFIT SAMPLE PROBLEM INPUT DATA 38
NEA0507_02.006 CURFIT SAMPLE PROBLEM PRINTED OUTPUT 252
NEA0507_02.007 CURFIT SAMPLE PROBLEM PUNCHED OUTPUT 24
NEA0507_02.008 SURFIT SOURCE PROGRAM - F4 -EBCDIC 549
NEA0507_02.009 SURFIT JCL 2
NEA0507_02.010 SURFIT SAMPLE PROBLEM INPUT DATA 18
NEA0507_02.011 SURFIT SAMPLE PROBLEM PRINTED OUTPUT 84
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17. CATEGORIES
  • P. General Mathematical and Computing System Routines

Keywords: least square fit, one-dimensional, polynomials, two-dimensional.