QPLIB

A Library of Quadratic Programming Instances

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QPLIB_10074

Formats gms lp mod qplib
Problem type probtype QBL
Solution point objective value solobjvalue -0.00000000 (gdx, sol)
Solution point infeasibility solinfeasibility 0.0000e+00
Donor donor Andrea Lodi
#Variables nvars 75
#Binary Variables nbinvars 75
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 75
#Nonlinear Binary Variables nnlbinvars 75
#Nonlinear Integer Variables nnlintvars 0
Objective Sense objsense min
Objective type objtype quadratic
Objective curvature objcurvature indefinite
#Negative eigenvalues in objective matrix nobjquadnegev 1
#Positive eigenvalues in objective matrix nobjquadposev 74
#Nonzeros in Objective nobjnz 75
#Nonlinear Nonzeros in Objective nobjnlnz 75
#Quadratic Terms in Objective nobjquadnz 2849
#Square Terms in Objective nobjquaddiagnz 75
#Constraints ncons 10
#Linear Constraints nlincons 10
#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 749
#Nonlinear Nonzeros in Jacobian njacobiannlnz 0
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 5623
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 75
#Blocks in Hessian of Lagrangian nlaghessianblocks 1
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 75
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 75
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 75.0
Sparsity Jacobian
Sparsity Lag. Hessian

QPLIB_10074.gms






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