PPT Slide
DEPENDENCE GRAPHS FOR BLOCK TRIANGULAR SOLVER
1,1
2,1
2,2
3,1
3,2
3,3
4,1
4,2
4,3
4,4
1
2
3
4
5
6
7
8
9
10
X
X
X
X
1
2
3
4
b
b
b
b
1
2
3
4
=
=
=
=
Solution of (i,i) must await row operation
completion
Solution of (i,i) frees (n,i) n = 1, 4
to execute
both row and solve operations update b
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