QPLIB

A Library of Quadratic Programming Instances

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QPLIB_8758

Formats gms lp mod qplib
Problem type probtype QCQ
Solution point objective value solobjvalue -41.87500005 (gdx, sol)
Solution point infeasibility solinfeasibility 2.7212e-10
Donor donor Nick Gould
#Variables nvars 2070
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 2070
#Nonlinear Binary Variables nnlbinvars 0
#Nonlinear Integer Variables nnlintvars 0
Objective Sense objsense min
Objective type objtype quadratic
Objective curvature objcurvature indefinite
#Negative eigenvalues in objective matrix nobjquadnegev 90
#Positive eigenvalues in objective matrix nobjquadposev 1980
#Nonzeros in Objective nobjnz 2070
#Nonlinear Nonzeros in Objective nobjnlnz 2070
#Quadratic Terms in Objective nobjquadnz 1070190
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 1981
#Linear Constraints nlincons 0
#Quadratic Constraints nquadcons 1981
#Diagonal Quadratic Constraints ndiagquadcons 1
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 1981
#Nonzeros in Jacobian njacobiannz 9990
#Nonlinear Nonzeros in Jacobian njacobiannlnz 9990
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 2142450
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 2070
#Blocks in Hessian of Lagrangian nlaghessianblocks 2
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 1035
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 1035
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 1035.0
Sparsity Jacobian
Sparsity Lag. Hessian




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