5-point Gauss elimination (2-Dimensional Poisson Problem Poisson Problem)

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Time Complexity

$O(n^{4})$

Space Complexity

$O(n^{4})$ words

(See Gauss-Jordan elimination, but matrix is of size n^2*n^2)

Description

Approximate?

Exact

Randomized?

No, deterministic

Model of Computation

Real RAM?

Year

1945

Reference