QPLIB

A Library of Quadratic Programming Instances

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QPLIB_2077

Formats gms lp mod qplib
Problem type probtype LBQ
Solution point objective value solobjvalue 2373966.00000000 (gdx, sol)
Solution point infeasibility solinfeasibility 0.0000e+00
Donor donor Pierre Bonami
#Variables nvars 231
#Binary Variables nbinvars 231
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 231
#Nonlinear Binary Variables nnlbinvars 231
#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 229
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 4642
#Linear Constraints nlincons 4620
#Quadratic Constraints nquadcons 22
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 22
#Nonzeros in Jacobian njacobiannz 14322
#Nonlinear Nonzeros in Jacobian njacobiannlnz 462
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 9160
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 1
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 231
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 231
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 231.0
Sparsity Jacobian
Sparsity Lag. Hessian




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