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A Library of Quadratic Programming Instances

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QPLIB_2480

Formats gms lp mod qplib
Problem type probtype LCQ
Solution point objective value solobjvalue -4.27849041 (gdx, sol)
Solution point infeasibility solinfeasibility 5.1070e-15
Donor donor Ruth Misener
#Variables nvars 399
#Binary Variables nbinvars 0
#Integer Variables nintvars 0
#Bounded non-binary Variables nboundedvars 200
#Variables with only one bound nsingleboundedvars 0
#Nonlinear Variables nnlvars 200
#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 200
#Nonlinear Nonzeros in Objective nobjnlnz 0
#Quadratic Terms in Objective nobjquadnz 0
#Square Terms in Objective nobjquaddiagnz 0
#Constraints ncons 400
#Linear Constraints nlincons 199
#Quadratic Constraints nquadcons 201
#Diagonal Quadratic Constraints ndiagquadcons 1
Constraints curvature conscurvature indefinite
#Convex Nonlinear Constraints nconvexnlcons 1
#Concave Nonlinear Constraints nconcavenlcons 0
#Indefinite Nonlinear Constraints nindefinitenlcons 200
#Nonzeros in Jacobian njacobiannz 1196
#Nonlinear Nonzeros in Jacobian njacobiannlnz 599
#Nonzeros in (Upper-Left) Hessian of Lagrangian nlaghessiannz 795
#Nonzeros in Diagonal of Hessian of Lagrangian nlaghessiandiagnz 1
#Blocks in Hessian of Lagrangian nlaghessianblocks 1
Minimal blocksize in Hessian of Lagrangian laghessianminblocksize 200
Maximal blocksize in Hessian of Lagrangian laghessianmaxblocksize 200
Average blocksize in Hessian of Lagrangian laghessianavgblocksize 200.0
Sparsity Jacobian
Sparsity Lag. Hessian




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