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A Library of Quadratic Programming Instances

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QPLIB_8553

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




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