QPLIB

A Library of Quadratic Programming Instances

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

QPLIB_3522

Formats gms lp mod qplib
Problem type probtype LMQ
Solution point objective value solobjvalue 84.91792756 (gdx, sol)
Solution point infeasibility solinfeasibility 2.5466e-11
Donor donor Stefan Vigerske
#Variables nvars 630
#Binary Variables nbinvars 42
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 588
#Nonlinear Variables nnlvars 588
#Nonlinear Binary Variables nnlbinvars 0
#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 42
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 254
#Linear Constraints nlincons 212
#Quadratic Constraints nquadcons 42
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 42
#Nonzeros in Jacobian njacobiannz 2310
#Nonlinear Nonzeros in Jacobian njacobiannlnz 588
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 1092
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 42
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 14
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 14
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 14.0
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.