# minpack

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    lib	ex
    for	test programs

    file	readme
    for	overview of minpack

    file	chkder.f  chkder.f plus dependencies
    gams	F3,G4c,K6d
    for	check gradients for consistency with functions

    file	dogleg.f  dogleg.f plus dependencies
    for	determine combination of gauss-newton and gradient directions

    file	dpmpar.f
    for	provide double precision machine parameters

    file	enorm.f
    for	calculate euclidean norm of vector

    file	fdjac1.f  fdjac1.f plus dependencies
    for	calculate difference approximation to jacobian (nonlinear equations)

    file	fdjac2.f  fdjac2.f plus dependencies
    for	calculate difference approximation to jacobian (least squares)

    file	hybrd.f  hybrd.f plus dependencies
    gams	F2
    for	solve systems of nonlinear equations (approximate jacobian)

    file	hybrd1.f  hybrd1.f plus dependencies
    gams	F2
    for	easy-to-use driver for (minpack/hybrd)

    file	hybrj.f  hybrj.f plus dependencies
    gams	F2
    for	solve systems of nonlinear equations (analytic jacobian)

    file	hybrj1.f  hybrj1.f plus dependencies
    gams	F2
    for	easy-to-use driver for (minpack/hybrj)

    file	lmder.f  lmder.f plus dependencies
    gams	K1b1a2
    for	solve nonlinear least squares problem (analytic jacobian)

    file	lmder1.f  lmder1.f plus dependencies
    gams	K1b1a2
    for	easy-to-use driver for (minpack/lmder)

    file	lmdif.f  lmdif.f plus dependencies
    gams	K1b1a1
    for	solve nonlinear least squares problem (approximate jacobian)

    file	lmdif1.f  lmdif1.f plus dependencies
    gams	K1b1a1
    for	easy-to-use driver for (minpack/lmdif)

    file	lmpar.f  lmpar.f plus dependencies
    for	determine levenberg-marquardt parameter

    file	lmstr.f  lmstr.f plus dependencies
    gams	K1b1a2
    for	solve nonlinear least squares problem (storage conserving)

    file	lmstr1.f  lmstr1.f plus dependencies
    gams	K1b1a2
    for	easy-to-use driver for (minpack/lmstr)

    file	qform.f
    for	accumulate orthogonal matrix from qr factorization

    file	qrfac.f  qrfac.f plus dependencies
    for	compute qr factorization of rectangular matrix

    file	qrsolv.f
    for	complete solution of least squares problem

    file	rwupdt.f
    for	update qr factorization after row addition

    file	r1mpyq.f
    for	apply orthogonal transformations from qr factorization

    file	r1updt.f  r1updt.f plus dependencies
    for	update qr factorization after rank-1 addition