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A Library of Quadratic Programming Instances

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QPLIB_3871

Formats gms lp mod qplib
Problem type probtype DML
Solution point objective value solobjvalue 197.33388120 (gdx, sol)
Solution point infeasibility solinfeasibility 8.8818e-16
Donor donor Stefan Vigerske
#Variables nvars 1025
#Binary Variables nbinvars 25
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 1000
#Nonlinear Variables nnlvars 1000
#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 1000
#Nonzeros in Objective nobjnz 1025
#Nonlinear Nonzeros in Objective nobjnlnz 1000
#Quadratic Terms in Objective nobjquadnz 1000
#Square Terms in Objective nobjquaddiagnz 1000
#Constraints ncons 1040
#Linear Constraints nlincons 1040
#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 3000
#Nonlinear Nonzeros in Jacobian njacobiannlnz 0
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 1000
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 1000
#Blocks in Hessian of Lagrangian nlaghessianblocks 1000
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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