QPLIB

A Library of Quadratic Programming Instances

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QPLIB_8906

Formats gms lp mod qplib
Problem type probtype CCL
Solution point objective value solobjvalue 2699111.51300000 (gdx, sol)
Solution point infeasibility solinfeasibility 9.7531e-11
Donor donor Nick Gould
#Variables nvars 5223
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 1941
#Nonlinear Variables nnlvars 1941
#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 1941
#Nonzeros in Objective nobjnz 5223
#Nonlinear Nonzeros in Objective nobjnlnz 1941
#Quadratic Terms in Objective nobjquadnz 56975
#Square Terms in Objective nobjquaddiagnz 1941
#Constraints ncons 838
#Linear Constraints nlincons 838
#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 15558
#Nonlinear Nonzeros in Jacobian njacobiannlnz 0
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 112009
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 1941
#Blocks in Hessian of Lagrangian nlaghessianblocks 29
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 21
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 454
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 66.931034
Sparsity Jacobian
Sparsity Lag. Hessian




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