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Table 1 The experimental verification of \(\pmb{\mbox{I-BSDD}_{s}}\)

From: On block diagonal-Schur complements of the block strictly doubly diagonally dominant matrices

i 1 2 3 4 5
\(t_{i}-s_{i}\) −108.88 1.24 × 103 3.97 × 103 1.23 × 103 1.23 × 103
( i , j ) (1,2) (1,3) (1,4) (1,5) (2,3)
\(t_{i}t_{j}-s_{i}s_{j}\) 4.6 × 104 5.24 × 104 4.45 × 104 4.45 × 104 1.94 × 106
( i , j ) (2,4) (2,5) (3,4) (3,5) (4,5)
\(t_{i}t_{j}-s_{i}s_{j}\) 1.94 × 106 1.94 × 106 1.94 × 106 1.94 × 106 1.94 × 106