QPLIB

A Library of Quadratic Programming Instances

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QPLIB_3840

Formats gms lp mod qplib
Problem type probtype LMQ
Solution point objective value solobjvalue -1.13858661 (gdx, sol)
Solution point infeasibility solinfeasibility 8.8818e-16
Donor donor Stefan Vigerske
#Variables nvars 5735
#Binary Variables nbinvars 2401
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 3292
#Nonlinear Variables nnlvars 3334
#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 1
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 3873
#Linear Constraints nlincons 2499
#Quadratic Constraints nquadcons 1374
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 1374
#Nonzeros in Jacobian njacobiannz 27969
#Nonlinear Nonzeros in Jacobian njacobiannlnz 17539
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 9996
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 16
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 50
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 2192
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 208.375
Sparsity Jacobian
Sparsity Lag. Hessian




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