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A Library of Quadratic Programming Instances

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QPLIB_3525

Formats gms lp mod qplib
Problem type probtype QGQ
Solution point objective value solobjvalue 4028.33988200 (gdx, sol)
Solution point infeasibility solinfeasibility 6.2172e-14
Donor donor Stefan Vigerske
#Variables nvars 1749
#Binary Variables nbinvars 0
#Integer Variables nintvars 1662
#Bounded non-binary Variables nboundedvars 1662
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 1662
#Nonlinear Binary Variables nnlbinvars 0
#Nonlinear Integer Variables nnlintvars 1662
Objective Sense objsense min
Objective type objtype quadratic
Objective curvature objcurvature indefinite
#Negative eigenvalues in objective matrix nobjquadnegev 831
#Positive eigenvalues in objective matrix nobjquadposev 831
#Nonzeros in Objective nobjnz 1662
#Nonlinear Nonzeros in Objective nobjnlnz 1662
#Quadratic Terms in Objective nobjquadnz 831
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 91
#Linear Constraints nlincons 52
#Quadratic Constraints nquadcons 39
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 39
#Nonzeros in Jacobian njacobiannz 11765
#Nonlinear Nonzeros in Jacobian njacobiannlnz 7160
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 1662
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 831
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

QPLIB_3525.gms






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