QPLIB

A Library of Quadratic Programming Instances

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QPLIB_3822

Formats gms lp mod qplib
Problem type probtype QBN
Solution point objective value solobjvalue 850.00000000 (gdx, sol)
Solution point infeasibility solinfeasibility 0.0000e+00
Donor donor Stefan Vigerske
#Variables nvars 861
#Binary Variables nbinvars 861
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 861
#Nonlinear Binary Variables nnlbinvars 861
#Nonlinear Integer Variables nnlintvars 0
Objective Sense objsense max
Objective type objtype quadratic
Objective curvature objcurvature indefinite
#Negative eigenvalues in objective matrix nobjquadnegev 420
#Positive eigenvalues in objective matrix nobjquadposev 420
#Nonzeros in Objective nobjnz 861
#Nonlinear Nonzeros in Objective nobjnlnz 861
#Quadratic Terms in Objective nobjquadnz 1680
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 0
#Linear Constraints nlincons 0
#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 0
#Nonlinear Nonzeros in Jacobian njacobiannlnz 0
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 3360
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 1
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 861
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 861
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 861.0
Sparsity Jacobian
Sparsity Lag. Hessian

QPLIB_3822.gms



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