QPLIB

A Library of Quadratic Programming Instances

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QPLIB_8605

Formats	gms lp mod qplib
Problem type ^probtype	DCQ
Solution point objective value ^solobjvalue	-20.34056648 (gdx, sol)
Solution point infeasibility ^{solinfeasibility}	1.5266e-10
Donor ^donor	Nick Gould
#Variables ^nvars	5000
#Binary Variables ^nbinvars	0
#Integer Variables ^nintvars	0
#Bounded non-binary Variables ^nboundedvars	0
#Variables with only one bound ^{nsingleboundedvars}	1
#Nonlinear Variables ^nnlvars	5000
#Nonlinear Binary Variables ^nnlbinvars	0
#Nonlinear Integer Variables ^nnlintvars	0
Objective Sense ^objsense	min
Objective type ^objtype	quadratic
Objective curvature ^objcurvature	convex
#Negative eigenvalues in objective matrix ^{nobjquadnegev}
#Positive eigenvalues in objective matrix ^{nobjquadposev}	5000
#Nonzeros in Objective ^nobjnz	5000
#Nonlinear Nonzeros in Objective ^nobjnlnz	5000
#Quadratic Terms in Objective ^nobjquadnz	5000
#Square Terms in Objective ^{nobjquaddiagnz}	5000
#Constraints ^ncons	1
#Linear Constraints ^nlincons	0
#Quadratic Constraints ^nquadcons	1
#Diagonal Quadratic Constraints ^{ndiagquadcons}	1
Constraints curvature ^{conscurvature}	indefinite
#Convex Nonlinear Constraints ^{nconvexnlcons}	0
#Concave Nonlinear Constraints ^{nconcavenlcons}	0
#Indefinite Nonlinear Constraints ^{nindefinitenlcons}	1
#Nonzeros in Jacobian ^njacobiannz	5000
#Nonlinear Nonzeros in Jacobian ^{njacobiannlnz}	5000
#Nonzeros in (Upper-Left) Hessian of Lagrangian ^{nlaghessiannz}	5000
#Nonzeros in Diagonal of Hessian of Lagrangian ^{nlaghessiandiagnz}	5000
#Blocks in Hessian of Lagrangian ^{nlaghessianblocks}	5000
Minimal blocksize in Hessian of Lagrangian ^{laghessianminblocksize}	1
Maximal blocksize in Hessian of Lagrangian ^{laghessianmaxblocksize}	1
Average blocksize in Hessian of Lagrangian ^{laghessianavgblocksize}	1.0
Sparsity Jacobian
Sparsity Lag. Hessian