QPLIB

A Library of Quadratic Programming Instances

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QPLIB_10056

Formats gms lp mod qplib
Problem type probtype CBL
Solution point objective value solobjvalue -33.85678866 (gdx, sol)
Solution point infeasibility solinfeasibility 0.0000e+00
Donor donor Andrea Lodi
#Variables nvars 175
#Binary Variables nbinvars 175
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 172
#Nonlinear Binary Variables nnlbinvars 172
#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 31
#Nonzeros in Objective nobjnz 175
#Nonlinear Nonzeros in Objective nobjnlnz 172
#Quadratic Terms in Objective nobjquadnz 14707
#Square Terms in Objective nobjquaddiagnz 172
#Constraints ncons 5
#Linear Constraints nlincons 5
#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 874
#Nonlinear Nonzeros in Jacobian njacobiannlnz 0
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 29242
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 172
#Blocks in Hessian of Lagrangian nlaghessianblocks 2
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 1
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 171
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 86.0
Sparsity Jacobian
Sparsity Lag. Hessian

QPLIB_10056.gms



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