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This directory has the MINPACK-1 test problems.
vecfcn.f --- nonlinear equations problems
vecjac.f --- nonlinear equations Jacobian matrices
ssqfcn.f --- nonlinear least squares problems
ssqjac.f --- nonlinear least squares Jacobian matrices
objfcn.f --- unconstrained minimization problems
grdfcn.f --- unconstrained minimization gradients
hesfcn.f --- unconstrained minimization Hessians
lhesfcn.f --- unconstrained minimization Hessians (compressed form)
neqipt.f --- starting points for nonlinear equations problems
ssqipt.f --- starting points for nonlinear least squares problems
umipt.f --- starting points for unconstrained minimization problems
testdata directory:
neq.data --- nonlinear equations sample data
ssq.data --- nonlinear least squares sample data
um.data --- unconstrained minimization sample data
This software is a Fortran 77 version of the original test problems.
Additional information on this software can be found in the paper
J. J. More', B. S. Garbow and K. E. Hillstrom,
Testing unconstrained optimization software,
ACM Trans. Math. Software 7 (1981), 17-41.
J. J. More', B. S. Garbow and K. E. Hillstrom,
Fortran subroutines for testing unconstrained optimization software,
ACM Trans. Math. Software 7 (1981), 136-140.
The following test routines were not usable in CMINPACK, and are thus
provided only in their original Fortran 77 version for reference:
objfcn.f
grdfcn.f
hesfcn.f
lhesfcn.f
umipt.f
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