QPLIB

A Library of Quadratic Programming Instances

Home // browse instances // view statistics // read documentation // download QPLIB archive [ ]

---

QPLIB_3170

Formats	gms lp mod qplib
Problem type probtype	LCQ
Solution point objective value solobjvalue	638.71675310 (gdx, sol)
Solution point infeasibility solinfeasibility	2.9104e-11
Donor donor	Ruth Misener
#Variables nvars	660
#Binary Variables nbinvars	0
#Integer Variables nintvars	0
#Bounded non-binary Variables nboundedvars	580
#Variables with only one bound nsingleboundedvars	0
#Nonlinear Variables nnlvars	580
#Nonlinear Binary Variables nnlbinvars	0
#Nonlinear Integer Variables nnlintvars	0
Objective Sense objsense	min
Objective type objtype	linear
Objective curvature objcurvature	linear
#Negative eigenvalues in objective matrix nobjquadnegev
#Positive eigenvalues in objective matrix nobjquadposev
#Nonzeros in Objective nobjnz	60
#Nonlinear Nonzeros in Objective nobjnlnz	0
#Quadratic Terms in Objective nobjquadnz	0
#Square Terms in Objective nobjquaddiagnz	0
#Constraints ncons	200
#Linear Constraints nlincons	40
#Quadratic Constraints nquadcons	160
#Diagonal Quadratic Constraints ndiagquadcons	0
Constraints curvature conscurvature	indefinite
#Convex Nonlinear Constraints nconvexnlcons	0
#Concave Nonlinear Constraints nconcavenlcons	0
#Indefinite Nonlinear Constraints nindefinitenlcons	160
#Nonzeros in Jacobian njacobiannz	4760
#Nonlinear Nonzeros in Jacobian njacobiannlnz	3600
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz	3520
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz	0
#Blocks in Hessian of Lagrangian nlaghessianblocks	20
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize	29
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize	29
Average blocksize in Hessian of Lagrangian laghessianavgblocksize	29.0
Sparsity Jacobian
Sparsity Lag. Hessian

QPLIB_3170.gms

---

Website © 2017-2023 by Zuse Institute Berlin and GAMS. All rights reserved. Imprint. QPLIB is licensed under CC-BY 4.0.