QPLIB

A Library of Quadratic Programming Instances

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QPLIB_3326

Formats gms lp mod qplib
Problem type probtype QCQ
Solution point objective value solobjvalue -38011.57283000 (gdx, sol)
Solution point infeasibility solinfeasibility 1.4211e-14
Donor donor Ruth Misener
#Variables nvars 1750
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 5
#Nonlinear Variables nnlvars 615
#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 50
#Positive eigenvalues in objective matrix nobjquadposev 100
#Nonzeros in Objective nobjnz 160
#Nonlinear Nonzeros in Objective nobjnlnz 160
#Quadratic Terms in Objective nobjquadnz 400
#Square Terms in Objective nobjquaddiagnz 160
#Constraints ncons 1745
#Linear Constraints nlincons 995
#Quadratic Constraints nquadcons 750
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 750
#Nonzeros in Jacobian njacobiannz 9905
#Nonlinear Nonzeros in Jacobian njacobiannlnz 2700
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 2140
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 160
#Blocks in Hessian of Lagrangian nlaghessianblocks 43
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 4
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 152
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 14.302326
Sparsity Jacobian
Sparsity Lag. Hessian




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