LEAST SQUARES APPROXIMATIONS
IN FORTRAN 90


Choose a source program (*.f90) by clicking the appropriate button.

APPROX.F90
APPROX.PDF
APPROX1.F90
CHISQA.F90
LSTSQR.F90
LSQPLY.F90
LSQPLY.TXT
LSTSQR1.F90
LSTSQR2.F90
LSTSQR.TXT
MLTNLREG.F90
PARAFIT.F90
PARAFIT.TXT
REGITER.F90
REGITER.TXT
TSMPLX.F90
Program Description

  • Least squares approximation of a discrete real function F(x)
  • Explanation file of program above (approx) NEW
  • Least squares approximation of a discrete function F(x) with orthogonal polynomials
  • Program to demonstrate Chi-square Statistic
  • Program to demonstrate one dimensional operation of the multi-nonlinear regression
  • Program to demonstrate least squares polynomial fitting
  • Explanation File of Program above (Lsqply) NEW
  • Linear least squares demonstration program
  • Least squares of order 1 or 2 demonstration program
  • Explanation File concerning Least Squares Regressions NEW
  • Program to demonstrate multi-dimensional operation of the multi-nonlinear regression
  • Program to demonstrate the Parafit subroutine
  • Explanation File of Program above (Parafit) NEW
  • Program to demonstrate multidimensional operation of the multi-nonlinear regression subroutine with iterative error reduction
  • Explanation File of Program above (Regiter) NEW
  • Multi-Dimensional Curve Fitting By SIMPLEX Method


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© J-P Moreau Last modified 03/11/2017 - E-mail: jpmoreau@wanadoo.fr