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A Library of Quadratic Programming Instances

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QPLIB_2483

Formats gms lp mod qplib
Problem type probtype LCQ
Solution point objective value solobjvalue 1812.17032700 (gdx, sol)
Solution point infeasibility solinfeasibility 2.3283e-10
Donor donor Ruth Misener
#Variables nvars 760
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 660
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 660
#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 80
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 280
#Linear Constraints nlincons 40
#Quadratic Constraints nquadcons 240
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 240
#Nonzeros in Jacobian njacobiannz 6700
#Nonlinear Nonzeros in Jacobian njacobiannlnz 5400
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 5280
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 20
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 33
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 33
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 33.0
Sparsity Jacobian
Sparsity Lag. Hessian




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