HOMPACK

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The latest version of this package is HOMPACK90, in netlib at TOMS 777.

HOMPACK is an older suite of FORTRAN 77 subroutines for solving nonlinear systems of equations by homotopy methods. There are subroutines for fixed point, zero finding, and general homotopy curve tracking problems, utilizing both dense and sparse Jacobian matrices, and implementing three different algorithms: ODE-based, normal flow, and augmented Jacobian.

Reference
L.T. Watson, Appl. Math. Comput. 5 (1979), pp. 297-311.
Developer
Layne T. Watson, Department of Computer Science, Virginia Polytechnic Institute, Blacksburg, VA 24061


file	hompack90.tar.gz
ref	TOMS 777
gams	f2
lang	Fortran90

file	readme
for	overview of hompack

file	fixpdf.f  fixpdf.f plus dependencies
for	dense Jacobian
alg	ODE-based
gams	f2

file	fixpds.f  fixpds.f plus dependencies
for	sparse Jacobian
alg	ODE-based
gams	f2

file	fixpnf.f  fixpnf.f plus dependencies
for	dense Jacobian
alg	normal flow
gams	f2

file	fixpns.f  fixpns.f plus dependencies
for	sparse Jacobian
alg	normal flow
gams	f2

file	fixpqf.f  fixpqf.f plus dependencies
for	dense Jacobian
alg	augmented Jacobian
gams	f2

file	fixpqs.f  fixpqs.f plus dependencies
for	sparse Jacobian
alg	augmented Jacobian
gams	f2

file	polsys.f  polsys.f plus dependencies
for	all (complex) solutions to a system of n polynomial equations
,	in n unknowns with real coefficients.  Can return solutions at
,	infinity if requested.
gams	f2

file	changes

file	dcpose.f  dcpose.f plus dependencies

file	divp.f  divp.f plus dependencies

file	f.f

file	ffunp.f  ffunp.f plus dependencies

file	fjac.f

file	fjacs.f

file	fode.f  fode.f plus dependencies

file	fodeds.f  fodeds.f plus dependencies

file	gfunp.f  gfunp.f plus dependencies

file	gmfads.f  gmfads.f plus dependencies

file	hfun1p.f  hfun1p.f plus dependencies

file	hfunp.f  hfunp.f plus dependencies

file	initp.f  initp.f plus dependencies

file	innhp.dat

file	mainf.f  mainf.f plus dependencies

file	mainp.f  mainp.f plus dependencies

file	mains.f  mains.f plus dependencies

file	mfacds.f  mfacds.f plus dependencies

file	mulp.f

file	multds.f

file	odoc.for

file	otputp.f  otputp.f plus dependencies

file	pcgds.f  pcgds.f plus dependencies

file	pcgns.f  pcgns.f plus dependencies

file	pcgqs.f  pcgqs.f plus dependencies

file	polyp.f  polyp.f plus dependencies

file	powp.f  powp.f plus dependencies

file	qimuds.f  qimuds.f plus dependencies

file	qrfaqf.f  qrfaqf.f plus dependencies

file	qrslqf.f  qrslqf.f plus dependencies

file	rho.f  rho.f plus dependencies

file	rhoa.f

file	rhojac.f  rhojac.f plus dependencies

file	rhojs.f

file	root.f  root.f plus dependencies

file	rootnf.f  rootnf.f plus dependencies

file	rootns.f  rootns.f plus dependencies

file	rootqf.f  rootqf.f plus dependencies

file	rootqs.f  rootqs.f plus dependencies

file	sclgnp.f  sclgnp.f plus dependencies

file	sintrp.f

file	solvds.f

file	stepds.f  stepds.f plus dependencies

file	stepnf.f  stepnf.f plus dependencies

file	stepns.f  stepns.f plus dependencies

file	stepqf.f  stepqf.f plus dependencies

file	stepqs.f  stepqs.f plus dependencies

file	steps.f  steps.f plus dependencies

file	strptp.f  strptp.f plus dependencies

file	tangnf.f  tangnf.f plus dependencies

file	tangns.f  tangns.f plus dependencies

file	tangqf.f  tangqf.f plus dependencies

file	tangqs.f  tangqs.f plus dependencies

file	upqrqf.f  upqrqf.f plus dependencies