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A Library of Quadratic Programming Instances

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QPLIB_10066

Formats gms lp mod qplib
Problem type probtype QBL
Solution point objective value solobjvalue -32.97988603 (gdx, sol)
Solution point infeasibility solinfeasibility 0.0000e+00
Donor donor Andrea Lodi
#Variables nvars 200
#Binary Variables nbinvars 200
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 0
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 197
#Nonlinear Binary Variables nnlbinvars 197
#Nonlinear Integer Variables nnlintvars 0
Objective Sense objsense min
Objective type objtype quadratic
Objective curvature objcurvature indefinite
#Negative eigenvalues in objective matrix nobjquadnegev 3
#Positive eigenvalues in objective matrix nobjquadposev 194
#Nonzeros in Objective nobjnz 200
#Nonlinear Nonzeros in Objective nobjnlnz 197
#Quadratic Terms in Objective nobjquadnz 19498
#Square Terms in Objective nobjquaddiagnz 197
#Constraints ncons 11
#Linear Constraints nlincons 11
#Quadratic Constraints nquadcons 0
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature linear
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 0
#Nonzeros in Jacobian njacobiannz 2197
#Nonlinear Nonzeros in Jacobian njacobiannlnz 0
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 38799
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 197
#Blocks in Hessian of Lagrangian nlaghessianblocks 1
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 197
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 197
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 197.0
Sparsity Jacobian
Sparsity Lag. Hessian




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