X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=mjo-linear_algebra.tex;h=9e32d2179a25e1d061eeeb1f063ed14bcdf36284;hp=b3d4296f1b968e0da72a2d553c637bfe93861819;hb=87aa4249a1cb51b6393e7d6f74276f00efc15df0;hpb=dc8ae67f7272ec9dcf0712f71520f1ea98707691

diff --git a/mjo-linear_algebra.tex b/mjo-linear_algebra.tex
index b3d4296..9e32d21 100644
--- a/mjo-linear_algebra.tex
+++ b/mjo-linear_algebra.tex
@@ -45,3 +45,17 @@
 
 % An inline column vector, with parentheses and a transpose operator.
 \newcommand*{\colvec}[1]{ \left( {#1} \right)^{T} }
+
+% Bounded linear operators on some space. The required argument is the
+% domain of those operators, and the optional argument is the
+% codomain. If the optional argument is omitted, the required argument
+% is used for both.
+\newcommand*{\boundedops}[2][]{
+  \mathcal{B}\of{ {#2}
+    \if\relax\detokenize{#1}\relax
+      {}%
+    \else
+      {,{#1}}%
+    \fi
+  }
+}