QPLIB

A Library of Quadratic Programming Instances

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QPLIB_2036

Formats gms lp mod qplib
Problem type probtype QBQ
Solution point objective value solobjvalue -30660.00000000 (gdx, sol)
Solution point infeasibility solinfeasibility 0.0000e+00
Donor donor Pierre Bonami
#Variables nvars 324
#Binary Variables nbinvars 324
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 323
#Nonlinear Binary Variables nnlbinvars 323
#Nonlinear Integer Variables nnlintvars 0
Objective Sense objsense min
Objective type objtype quadratic
Objective curvature objcurvature indefinite
#Negative eigenvalues in objective matrix nobjquadnegev 127
#Positive eigenvalues in objective matrix nobjquadposev 196
#Nonzeros in Objective nobjnz 323
#Nonlinear Nonzeros in Objective nobjnlnz 323
#Quadratic Terms in Objective nobjquadnz 2521
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 324
#Linear Constraints nlincons 300
#Quadratic Constraints nquadcons 24
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 24
#Nonzeros in Jacobian njacobiannz 1199
#Nonlinear Nonzeros in Jacobian njacobiannlnz 323
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 5042
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 24
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 2
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 24
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 13.458333
Sparsity Jacobian
Sparsity Lag. Hessian




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