QPLIB

A Library of Quadratic Programming Instances

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QPLIB_8815

Formats	gms lp mod qplib
Problem type ^probtype	QCD
Solution point objective value ^solobjvalue	-0.03155634 (gdx, sol)
Solution point infeasibility ^{solinfeasibility}	8.6924e-10
Donor ^donor	Nick Gould
#Variables ^nvars	30010
#Binary Variables ^nbinvars	0
#Integer Variables ^nintvars	0
#Bounded non-binary Variables ^nboundedvars	0
#Variables with only one bound ^{nsingleboundedvars}	0
#Nonlinear Variables ^nnlvars	10006
#Nonlinear Binary Variables ^nnlbinvars	0
#Nonlinear Integer Variables ^nnlintvars	0
Objective Sense ^objsense	min
Objective type ^objtype	quadratic
Objective curvature ^objcurvature	indefinite
#Negative eigenvalues in objective matrix ^{nobjquadnegev}	2
#Positive eigenvalues in objective matrix ^{nobjquadposev}	2
#Nonzeros in Objective ^nobjnz	4
#Nonlinear Nonzeros in Objective ^nobjnlnz	4
#Quadratic Terms in Objective ^nobjquadnz	4
#Square Terms in Objective ^{nobjquaddiagnz}	4
#Constraints ^ncons	25005
#Linear Constraints ^nlincons	20004
#Quadratic Constraints ^nquadcons	5001
#Diagonal Quadratic Constraints ^{ndiagquadcons}	5001
Constraints curvature ^{conscurvature}	convex
#Convex Nonlinear Constraints ^{nconvexnlcons}	5001
#Concave Nonlinear Constraints ^{nconcavenlcons}	0
#Indefinite Nonlinear Constraints ^{nindefinitenlcons}	0
#Nonzeros in Jacobian ^njacobiannz	80016
#Nonlinear Nonzeros in Jacobian ^{njacobiannlnz}	10002
#Nonzeros in (Upper-Left) Hessian of Lagrangian ^{nlaghessiannz}	10006
#Nonzeros in Diagonal of Hessian of Lagrangian ^{nlaghessiandiagnz}	10006
#Blocks in Hessian of Lagrangian ^{nlaghessianblocks}	10006
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