Module NSFB in PORT
Solve separable nonlinear least squares problem (i.e., one with both linear and
nonlinear parameters) subject to simple upper and lower bound constraints on the
nonlinear parameters. Derivatives are approximated using finite differences.
Uses variable-projection technique to eliminate linear parameters, thus
obtaining a simpler nonlinear least squares problem.
Classes : K1b2a . Linearly constrained nonlinear least squares
approximation
Type : Fortran subroutine in PORT library (NL2OPT sublibrary).
Access : Proprietary. Many implementations available.
Precision: Single.
Usage : CALL NSFB (N, P, L, ALF, B, C, Y, CALCA, INC, IINC, IV, LIV, LV, V,
UIPARM, URPARM, UFPARM)
Details : Fullsource Source
Sites : (1) NETLIB
NETLIB: Public access repository, The University of Tennessee at
Knoxville and Bell Laboratories
Precision: Single. (Double: DNSFB)
You may access components from NETLIB outside GAMS as follows.
Source : Available by anonymous ftp from netlib in the port
subdirectory
Fullsource : Available by http from netlib in the port subdirectory
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