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A Library of Quadratic Programming Instances

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QPLIB_8938

Formats gms lp mod qplib
Problem type probtype DCL
Solution point objective value solobjvalue -35.77945295 (gdx, sol)
Solution point infeasibility solinfeasibility 7.2760e-12
Donor donor Nick Gould
#Variables nvars 4001
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 4000
#Nonlinear Binary Variables nnlbinvars 0
#Nonlinear Integer Variables nnlintvars 0
Objective Sense objsense min
Objective type objtype quadratic
Objective curvature objcurvature convex
#Negative eigenvalues in objective matrix nobjquadnegev  
#Positive eigenvalues in objective matrix nobjquadposev 4000
#Nonzeros in Objective nobjnz 4000
#Nonlinear Nonzeros in Objective nobjnlnz 4000
#Quadratic Terms in Objective nobjquadnz 4000
#Square Terms in Objective nobjquaddiagnz 4000
#Constraints ncons 11999
#Linear Constraints nlincons 11999
#Quadratic Constraints nquadcons 0
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature linear
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 0
#Nonzeros in Jacobian njacobiannz 27997
#Nonlinear Nonzeros in Jacobian njacobiannlnz 0
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 4000
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 4000
#Blocks in Hessian of Lagrangian nlaghessianblocks 4000
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 1
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 1
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 1.0
Sparsity Jacobian
Sparsity Lag. Hessian




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