Vandermonde Matrix: Difference between revisions
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== Space | == Time-Space Tradeoff == | ||
[[File:Linear System - Vandermonde Matrix - Pareto Frontier.png|1000px]] | [[File:Linear System - Vandermonde Matrix - Pareto Frontier.png|1000px]] |
Revision as of 14:41, 15 February 2023
Description
In this case, we restrict $A$ to be a Vandermonde matrix.
Related Problems
Generalizations: General Linear System
Related: Sparse Linear System, Positive Definite, Hermitian Matrix, Non-Definite, Symmetric Matrix, Toeplitz Matrix
Parameters
n: number of variables and number of equations
m: number of nonzero entries in matrix
k: ratio between largest and smallest eigenvalues
Table of Algorithms
Name | Year | Time | Space | Approximation Factor | Model | Reference |
---|---|---|---|---|---|---|
Gaussian-Jordan Elimination | -150 | $O(n^{3})$ | $O(n^{2})$ | Exact | Deterministic | |
Bjorck-Pereyra | 1970 | $O(n^{2})$ | $O(n^{2})$ total | Exact | Deterministic | Time |