From 2719020929ee56f190a9e0e91083fb70ee086c9c Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Thu, 14 Feb 2019 15:21:44 -0500
Subject: [PATCH] examples.tex: mention the new Moore-Penrose \pseudoinverse.

---
 examples.tex | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/examples.tex b/examples.tex
index f33ed74..26db4b1 100644
--- a/examples.tex
+++ b/examples.tex
@@ -98,7 +98,9 @@
     their tensor product is $\tp{x}{y}$. The Kronecker product of
     matrices $A$ and $B$ is $\kp{A}{B}$. The adjoint of the operator
     $L$ is $\adjoint{L}$, or if it's a matrix, then its transpose is
-    $\transpose{L}$. Its trace is $\trace{L}$.
+    $\transpose{L}$. Its trace is $\trace{L}$. Another matrix-specific
+    concept is the Moore-Penrose pseudoinverse of $L$, denoted by
+    $\pseudoinverse{L}$.
 
     The span of a set $X$ is $\spanof{X}$, and its codimension is
     $\codim{X}$. The projection of $X$ onto $V$ is $\proj{V}{X}$. The
-- 
2.43.2