QPLIB

A Library of Quadratic Programming Instances

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

QPLIB_2060

Formats gms lp mod qplib
Problem type probtype LBQ
Solution point objective value solobjvalue 2528144.00000000 (gdx, sol)
Solution point infeasibility solinfeasibility 0.0000e+00
Donor donor Pierre Bonami
#Variables nvars 171
#Binary Variables nbinvars 171
#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 linear
Objective curvature objcurvature linear
#Negative eigenvalues in objective matrix nobjquadnegev  
#Positive eigenvalues in objective matrix nobjquadposev  
#Nonzeros in Objective nobjnz 170
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 2926
#Linear Constraints nlincons 2907
#Quadratic Constraints nquadcons 19
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 19
#Nonzeros in Jacobian njacobiannz 9063
#Nonlinear Nonzeros in Jacobian njacobiannlnz 342
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 5780
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#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.