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A Library of Quadratic Programming Instances

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QPLIB_2658

Formats gms lp mod qplib
Problem type probtype LCQ
Solution point objective value solobjvalue 7.16450027 (gdx, sol)
Solution point infeasibility solinfeasibility 3.5527e-15
Donor donor Ruth Misener
#Variables nvars 184
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 96
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 96
#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 1
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 190
#Linear Constraints nlincons 57
#Quadratic Constraints nquadcons 133
#Diagonal Quadratic Constraints ndiagquadcons 8
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 15
#Indefinite Nonlinear Constraints nindefinitenlcons 118
#Nonzeros in Jacobian njacobiannz 651
#Nonlinear Nonzeros in Jacobian njacobiannlnz 298
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 310
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 28
#Blocks in Hessian of Lagrangian nlaghessianblocks 17
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 2
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 7
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 5.647059
Sparsity Jacobian
Sparsity Lag. Hessian

QPLIB_2658.gms






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