Non-Definite, Symmetric Matrix: Difference between revisions

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(Created page with "{{DISPLAYTITLE:Non-Definite, Symmetric Matrix (Linear System)}} == Description == In this case, we restrict $A$ to be non-definite and symmetric. == Related Problems == Generalizations: General Linear System Related: Sparse Linear System, Positive Definite, Hermitian Matrix, Toeplitz Matrix, Vandermonde Matrix == Parameters == <pre>n: number of variables and number of equations m: number of nonzero entries in matrix k: ratio between largest a...")
 
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== Parameters ==  
== Parameters ==  


<pre>n: number of variables and number of equations
n: number of variables and number of equations
 
m: number of nonzero entries in matrix
m: number of nonzero entries in matrix
k: ratio between largest and smallest eigenvalues</pre>
 
k: ratio between largest and smallest eigenvalues


== Table of Algorithms ==  
== Table of Algorithms ==  

Revision as of 12:02, 15 February 2023

Description

In this case, we restrict $A$ to be non-definite and symmetric.

Related Problems

Generalizations: General Linear System

Related: Sparse Linear System, Positive Definite, Hermitian Matrix, Toeplitz Matrix, Vandermonde 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
Aasen's method 1971 $O(n^{3})$ $O(n^{2})$ total Exact Deterministic Time

Time Complexity graph

Linear System - Non-Definite, Symmetric Matrix - Time.png

Space Complexity graph

Linear System - Non-Definite, Symmetric Matrix - Space.png

Pareto Decades graph

Linear System - Non-Definite, Symmetric Matrix - Pareto Frontier.png