Partial inverse of a matrix
id:
partial-inverse-of-a-matrix-197-3710071
title:
Partial inverse of a matrix
text:
In linear algebra and statistics, the partial inverse of a matrix is an operation related to Gaussian elimination which has applications in numerical analysis and statistics. It is also known by various authors as the principal pivot transform, or as the sweep, gyration, or exchange operator. Given an n × n matrix A over a vector space V partitioned into blocks: If A 11 is invertible, then the partial inverse of A around the pivot block A 11 is created by inverting A 11 , putting the Schur compl
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https://en.wikipedia.org/wiki/Partial_inverse_of_a_matrix
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date modified:
2022-11-17T08:55:42Z
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