QPLIB

A Library of Quadratic Programming Instances

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QPLIB_8784

Formats	gms lp mod qplib
Problem type ^probtype	QCC
Solution point objective value ^solobjvalue	-0.06839392 (gdx, sol)
Solution point infeasibility ^{solinfeasibility}	2.2204e-16
Donor ^donor	Nick Gould
#Variables ^nvars	200
#Binary Variables ^nbinvars	0
#Integer Variables ^nintvars	0
#Bounded non-binary Variables ^nboundedvars	4
#Variables with only one bound ^{nsingleboundedvars}	196
#Nonlinear Variables ^nnlvars	200
#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}	99
#Positive eigenvalues in objective matrix ^{nobjquadposev}	99
#Nonzeros in Objective ^nobjnz	200
#Nonlinear Nonzeros in Objective ^nobjnlnz	200
#Quadratic Terms in Objective ^nobjquadnz	200
#Square Terms in Objective ^{nobjquaddiagnz}	0
#Constraints ^ncons	5048
#Linear Constraints ^nlincons	98
#Quadratic Constraints ^nquadcons	4950
#Diagonal Quadratic Constraints ^{ndiagquadcons}	0
Constraints curvature ^{conscurvature}	convex
#Convex Nonlinear Constraints ^{nconvexnlcons}	4950
#Concave Nonlinear Constraints ^{nconcavenlcons}	0
#Indefinite Nonlinear Constraints ^{nindefinitenlcons}	0
#Nonzeros in Jacobian ^njacobiannz	19996
#Nonlinear Nonzeros in Jacobian ^{njacobiannlnz}	19800
#Nonzeros in (Upper-Left) Hessian of Lagrangian ^{nlaghessiannz}	20400
#Nonzeros in Diagonal of Hessian of Lagrangian ^{nlaghessiandiagnz}	200
#Blocks in Hessian of Lagrangian ^{nlaghessianblocks}	1
Minimal blocksize in Hessian of Lagrangian ^{laghessianminblocksize}	200
Maximal blocksize in Hessian of Lagrangian ^{laghessianmaxblocksize}	200
Average blocksize in Hessian of Lagrangian ^{laghessianavgblocksize}	200.0
Sparsity Jacobian
Sparsity Lag. Hessian