QPLIB

A Library of Quadratic Programming Instances

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

QPLIB_10059

Formats gms lp mod qplib
Problem type probtype QBL
Solution point objective value solobjvalue -0.00000000 (gdx, sol)
Solution point infeasibility solinfeasibility 0.0000e+00
Donor donor Andrea Lodi
#Variables nvars 200
#Binary Variables nbinvars 200
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 171
#Nonlinear Binary Variables nnlbinvars 171
#Nonlinear Integer Variables nnlintvars 0
Objective Sense objsense min
Objective type objtype quadratic
Objective curvature objcurvature indefinite
#Negative eigenvalues in objective matrix nobjquadnegev 37
#Positive eigenvalues in objective matrix nobjquadposev 49
#Nonzeros in Objective nobjnz 171
#Nonlinear Nonzeros in Objective nobjnlnz 171
#Quadratic Terms in Objective nobjquadnz 14306
#Square Terms in Objective nobjquaddiagnz 171
#Constraints ncons 10
#Linear Constraints nlincons 10
#Quadratic Constraints nquadcons 0
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature linear
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 0
#Nonzeros in Jacobian njacobiannz 1996
#Nonlinear Nonzeros in Jacobian njacobiannlnz 0
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 28441
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 171
#Blocks in Hessian of Lagrangian nlaghessianblocks 1
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 171
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 171
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 171.0
Sparsity Jacobian
Sparsity Lag. Hessian




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