QPLIB

A Library of Quadratic Programming Instances

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QPLIB_3120

Formats gms lp mod qplib
Problem type probtype LCQ
Solution point objective value solobjvalue 1285.00589700 (gdx, sol)
Solution point infeasibility solinfeasibility 2.9104e-11
Donor donor Ruth Misener
#Variables nvars 662
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 462
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 462
#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 60
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 244
#Linear Constraints nlincons 40
#Quadratic Constraints nquadcons 204
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 204
#Nonzeros in Jacobian njacobiannz 5668
#Nonlinear Nonzeros in Jacobian njacobiannlnz 3780
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 3696
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 14
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 33
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 33
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 33.0
Sparsity Jacobian
Sparsity Lag. Hessian




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