QPLIB
A Library of Quadratic Programming Instances
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| Formats | gms lp mod qplib |
| Problem type probtype | QCQ |
| Solution point objective value solobjvalue | 1.31199669 (gdx, sol) |
| Solution point infeasibility solinfeasibility | 3.0846e-12 |
| Donor donor | Nick Gould |
| #Variables nvars | 79998 |
| #Binary Variables nbinvars | 0 |
| #Integer Variables nintvars | 0 |
| #Bounded non-binary Variables nboundedvars | 79202 |
| #Variables with only one bound nsingleboundedvars | 0 |
| #Nonlinear Variables nnlvars | 79202 |
| #Nonlinear Binary Variables nnlbinvars | 0 |
| #Nonlinear Integer Variables nnlintvars | 0 |
| Objective Sense objsense | min |
| Objective type objtype | quadratic |
| Objective curvature objcurvature | nonconcave |
| #Negative eigenvalues in objective matrix nobjquadnegev | -1 |
| #Positive eigenvalues in objective matrix nobjquadposev | -1 |
| #Nonzeros in Objective nobjnz | 79202 |
| #Nonlinear Nonzeros in Objective nobjnlnz | 79202 |
| #Quadratic Terms in Objective nobjquadnz | 79202 |
| #Square Terms in Objective nobjquaddiagnz | 39601 |
| #Constraints ncons | 40397 |
| #Linear Constraints nlincons | 796 |
| #Quadratic Constraints nquadcons | 39601 |
| #Diagonal Quadratic Constraints ndiagquadcons | 0 |
| Constraints curvature conscurvature | indefinite |
| #Convex Nonlinear Constraints nconvexnlcons | 0 |
| #Concave Nonlinear Constraints nconcavenlcons | 0 |
| #Indefinite Nonlinear Constraints nindefinitenlcons | 39601 |
| #Nonzeros in Jacobian njacobiannz | 239396 |
| #Nonlinear Nonzeros in Jacobian njacobiannlnz | 79202 |
| #Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz | 158404 |
| #Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz | 79202 |
| #Blocks in Hessian of Lagrangian nlaghessianblocks | 39601 |
| 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 |
QPLIB_8553.gms
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