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A Library of Quadratic Programming Instances

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QPLIB_2416

Formats gms lp mod qplib
Problem type probtype LCQ
Solution point objective value solobjvalue 9.98870688 (gdx, sol)
Solution point infeasibility solinfeasibility 1.7764e-15
Donor donor Ruth Misener
#Variables nvars 25
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 24
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 24
#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 686
#Linear Constraints nlincons 153
#Quadratic Constraints nquadcons 533
#Diagonal Quadratic Constraints ndiagquadcons 18
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 6
#Concave Nonlinear Constraints nconcavenlcons 41
#Indefinite Nonlinear Constraints nindefinitenlcons 486
#Nonzeros in Jacobian njacobiannz 3757
#Nonlinear Nonzeros in Jacobian njacobiannlnz 3336
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 492
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 24
#Blocks in Hessian of Lagrangian nlaghessianblocks 1
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 24
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 24
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 24.0
Sparsity Jacobian
Sparsity Lag. Hessian




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