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A Library of Quadratic Programming Instances

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QPLIB_3855

Formats gms lp mod qplib
Problem type probtype LMQ
Solution point objective value solobjvalue 598.91917640 (gdx, sol)
Solution point infeasibility solinfeasibility 3.6380e-12
Donor donor Stefan Vigerske
#Variables nvars 2518
#Binary Variables nbinvars 400
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 428
#Nonlinear Variables nnlvars 512
#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 3
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 2075
#Linear Constraints nlincons 791
#Quadratic Constraints nquadcons 1284
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 1284
#Nonzeros in Jacobian njacobiannz 9236
#Nonlinear Nonzeros in Jacobian njacobiannlnz 2568
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 2568
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 28
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 11
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 30
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 18.285714
Sparsity Jacobian
Sparsity Lag. Hessian

QPLIB_3855.gms



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