GHS_indef/ncvxqp9

Gould, Hu, & Scott: KKT matrix - nonconvex QP (CUTEr)
Name ncvxqp9
Group GHS_indef
Matrix ID 1243
Num Rows 16,554
Num Cols 16,554
Nonzeros 54,040
Pattern Entries 54,040
Kind Optimization Problem
Symmetric Yes
Date 1994
Author N. Gould
Editor N. Gould
Structural Rank 16,554
Structural Rank Full true
Num Dmperm Blocks 555
Strongly Connect Components 555
Num Explicit Zeros 0
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 1.270504e+11
Minimum Singular Value 3.300020e-08
Condition Number 3.849989e+18
Rank 14,617
sprank(A)-rank(A) 1,937
Null Space Dimension 1,937
Full Numerical Rank? no
Download Singular Values MATLAB