Gaussian Elimination (Exact Laplacian Solver SDD Systems Solvers)

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Time Complexity

$O(n^{3})$

Space Complexity

$O(n^{2})$ words

(Derived: Storing the inverse of the Laplacian)

Description

Use Gaussian elimination to compute the inverse of the Laplacian to solve for x

Approximate?

Exact

Randomized?

No, deterministic

Model of Computation

Word RAM

Year

-150

Reference

-