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A Library of Quadratic Programming Instances

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QPLIB_3854

Formats gms lp mod qplib
Problem type probtype LMQ
Solution point objective value solobjvalue 94.61120710 (gdx, sol)
Solution point infeasibility solinfeasibility 5.0932e-11
Donor donor Stefan Vigerske
#Variables nvars 680
#Binary Variables nbinvars 40
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 640
#Nonlinear Variables nnlvars 640
#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 40
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 306
#Linear Constraints nlincons 266
#Quadratic Constraints nquadcons 40
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 40
#Nonzeros in Jacobian njacobiannz 2520
#Nonlinear Nonzeros in Jacobian njacobiannlnz 640
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 1200
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 40
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 16
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 16
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 16.0
Sparsity Jacobian
Sparsity Lag. Hessian




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