QPLIB

A Library of Quadratic Programming Instances

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

---

QPLIB_2505

Formats	gms lp mod qplib
Problem type probtype	LCQ
Solution point objective value solobjvalue	1564.95798300 (gdx, sol)
Solution point infeasibility solinfeasibility	1.8190e-12
Donor donor	Ruth Misener
#Variables nvars	1039
#Binary Variables nbinvars	0
#Integer Variables nintvars	0
#Bounded non-binary Variables nboundedvars	270
#Variables with only one bound nsingleboundedvars	0
#Nonlinear Variables nnlvars	270
#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	15
#Nonlinear Nonzeros in Objective nobjnlnz	0
#Quadratic Terms in Objective nobjquadnz	0
#Square Terms in Objective nobjquaddiagnz	0
#Constraints ncons	782
#Linear Constraints nlincons	302
#Quadratic Constraints nquadcons	480
#Diagonal Quadratic Constraints ndiagquadcons	0
Constraints curvature conscurvature	indefinite
#Convex Nonlinear Constraints nconvexnlcons	0
#Concave Nonlinear Constraints nconcavenlcons	0
#Indefinite Nonlinear Constraints nindefinitenlcons	480
#Nonzeros in Jacobian njacobiannz	3896
#Nonlinear Nonzeros in Jacobian njacobiannlnz	960
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz	960
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz	0
#Blocks in Hessian of Lagrangian nlaghessianblocks	15
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize	18
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize	18
Average blocksize in Hessian of Lagrangian laghessianavgblocksize	18.0
Sparsity Jacobian
Sparsity Lag. Hessian

QPLIB_2505.gms

---

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