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A Library of Quadratic Programming Instances

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QPLIB_3524

Formats gms lp mod qplib
Problem type probtype LMQ
Solution point objective value solobjvalue 4683.86828600 (gdx, sol)
Solution point infeasibility solinfeasibility 1.7053e-13
Donor donor Stefan Vigerske
#Variables nvars 1081
#Binary Variables nbinvars 132
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 144
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 144
#Nonlinear Binary Variables nnlbinvars 0
#Nonlinear Integer Variables nnlintvars 0
Objective Sense objsense max
Objective type objtype linear
Objective curvature objcurvature linear
#Negative eigenvalues in objective matrix nobjquadnegev  
#Positive eigenvalues in objective matrix nobjquadposev  
#Nonzeros in Objective nobjnz 154
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 3357
#Linear Constraints nlincons 3165
#Quadratic Constraints nquadcons 192
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 192
#Nonzeros in Jacobian njacobiannz 10319
#Nonlinear Nonzeros in Jacobian njacobiannlnz 384
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 384
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 24
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 5
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 7
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 6.0
Sparsity Jacobian
Sparsity Lag. Hessian




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