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A Library of Quadratic Programming Instances

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QPLIB_3192

Formats gms lp mod qplib
Problem type probtype LCQ
Solution point objective value solobjvalue 783.95096810 (gdx, sol)
Solution point infeasibility solinfeasibility 2.9104e-11
Donor donor Ruth Misener
#Variables nvars 479
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 351
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 351
#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 64
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 177
#Linear Constraints nlincons 32
#Quadratic Constraints nquadcons 145
#Diagonal Quadratic Constraints ndiagquadcons 0
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 0
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 145
#Nonzeros in Jacobian njacobiannz 3535
#Nonlinear Nonzeros in Jacobian njacobiannlnz 2405
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 2340
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 0
#Blocks in Hessian of Lagrangian nlaghessianblocks 13
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 27
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 27
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 27.0
Sparsity Jacobian
Sparsity Lag. Hessian




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