From a9d942d6d7226cdf87be5b8cef9743d30d75ce06 Mon Sep 17 00:00:00 2001 From: Michael Orlitzky Date: Wed, 28 Nov 2018 22:36:00 -0500 Subject: [PATCH] mjo-linear_algebra.tex: add the Moore-Penrose \pseudoinverse. --- mjo-linear_algebra.tex | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mjo-linear_algebra.tex b/mjo-linear_algebra.tex index 02e1d12..aa0b05e 100644 --- a/mjo-linear_algebra.tex +++ b/mjo-linear_algebra.tex @@ -37,6 +37,10 @@ % specialized to real matrices. \newcommand*{\transpose}[1]{ #1^{T} } +% The Moore-Penrose (or any other, I guess) pseudo-inverse of its +% sole argument. +\newcommand*{\pseudoinverse}[1]{ #1^{+} } + % The trace of an operator. \newcommand*{\trace}[1]{ \operatorname{trace}\of{{#1}} } -- 2.44.2