QPLIB

A Library of Quadratic Programming Instances

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

QPLIB_5927

Formats	gms lp mod qplib
Problem type ^probtype	LMQ
Solution point objective value ^solobjvalue	169.57349940 (gdx, sol)
Solution point infeasibility ^{solinfeasibility}	3.6176e-10
Donor ^donor	Jakob Schelbert
#Variables ^nvars	33600
#Binary Variables ^nbinvars	2400
#Integer Variables ^nintvars	0
#Bounded non-binary Variables ^nboundedvars	0
#Variables with only one bound ^{nsingleboundedvars}	2400
#Nonlinear Variables ^nnlvars	33600
#Nonlinear Binary Variables ^nnlbinvars	2400
#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	2400
#Nonlinear Nonzeros in Objective ^nobjnlnz	0
#Quadratic Terms in Objective ^nobjquadnz	0
#Square Terms in Objective ^{nobjquaddiagnz}	0
#Constraints ^ncons	14363
#Linear Constraints ^nlincons	11963
#Quadratic Constraints ^nquadcons	2400
#Diagonal Quadratic Constraints ^{ndiagquadcons}	0
Constraints curvature ^{conscurvature}	indefinite
#Convex Nonlinear Constraints ^{nconvexnlcons}	0
#Concave Nonlinear Constraints ^{nconcavenlcons}	0
#Indefinite Nonlinear Constraints ^{nindefinitenlcons}	2400
#Nonzeros in Jacobian ^njacobiannz	257556
#Nonlinear Nonzeros in Jacobian ^{njacobiannlnz}	33600
#Nonzeros in (Upper-Left) Hessian of Lagrangian ^{nlaghessiannz}	33600
#Nonzeros in Diagonal of Hessian of Lagrangian ^{nlaghessiandiagnz}	28800
#Blocks in Hessian of Lagrangian ^{nlaghessianblocks}	31200
Minimal blocksize in Hessian of Lagrangian ^{laghessianminblocksize}	1
Maximal blocksize in Hessian of Lagrangian ^{laghessianmaxblocksize}	2
Average blocksize in Hessian of Lagrangian ^{laghessianavgblocksize}	1.076923