QPLIB

A Library of Quadratic Programming Instances

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QPLIB_2819

Formats gms lp mod qplib
Problem type probtype LCQ
Solution point objective value solobjvalue 797.97715120 (gdx, sol)
Solution point infeasibility solinfeasibility 2.9104e-11
Donor donor Ruth Misener
#Variables nvars 334
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 250
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 250
#Nonlinear Binary Variables nnlbinvars 0
#Nonlinear Integer Variables nnlintvars 0
Objective Sense objsense min
Objective type objtype linear
Objective curvature objcurvature linear
#Negative eigenvalues in objective matrix nobjquadnegev  
#Positive eigenvalues in objective matrix nobjquadposev  
#Nonzeros in Objective nobjnz 48
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 156
#Linear Constraints nlincons 24
#Quadratic Constraints nquadcons 132
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 132
#Nonzeros in Jacobian njacobiannz 2468
#Nonlinear Nonzeros in Jacobian njacobiannlnz 1740
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 1680
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 10
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 25
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 25
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 25.0
Sparsity Jacobian
Sparsity Lag. Hessian




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