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A Library of Quadratic Programming Instances

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QPLIB_2174

Formats gms lp mod qplib
Problem type probtype LMQ
Solution point objective value solobjvalue 152.00000000 (gdx, sol)
Solution point infeasibility solinfeasibility 5.2580e-13
Donor donor Polip2011
#Variables nvars 2313
#Binary Variables nbinvars 768
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 768
#Nonlinear Variables nnlvars 1536
#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 768
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 2304
#Linear Constraints nlincons 1536
#Quadratic Constraints nquadcons 768
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 768
#Nonzeros in Jacobian njacobiannz 9989
#Nonlinear Nonzeros in Jacobian njacobiannlnz 1536
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 1536
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 768
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 2
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 2
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 2.0
Sparsity Jacobian
Sparsity Lag. Hessian




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