From 4752a00668c8de082d467bbdb8ba47f3cb0091b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=BCller?= <andreas.mueller@ost.ch>
Date: Fri, 4 Jun 2021 16:46:46 +0200
Subject: add basic file infrastructure for special function book

---
 common/linsys.tex | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 common/linsys.tex

(limited to 'common/linsys.tex')

diff --git a/common/linsys.tex b/common/linsys.tex
new file mode 100644
index 0000000..7736846
--- /dev/null
+++ b/common/linsys.tex
@@ -0,0 +1,21 @@
+%%%%%%%%%%%%%%%%%%%%%%%
+%% Copyleft
+%% Walter A. Kehowski
+%% Department of Mathematics
+%% Glendale Community College
+%% walter.kehowski@gcmail.maricopa.edu
+%% \begin{linsys}{2}
+%% -x & + & 4y & = & 8\\
+%% -3x & - & 2y & = & 6
+%% \end{linsys}
+%%%%%%%%%%%%%%%%%%%%%%%
+%\makeatletter
+%% math-mode column types ------------------
+\newcolumntype{\linsysR}{>{$}r<{$}}
+\newcolumntype{\linsysL}{>{$}l<{$}}
+\newcolumntype{\linsysC}{>{$}c<{$}}
+\newenvironment{linsys}[1]{%
+\begin{tabular}{*{#1}{\linsysR@{\;}\linsysC}@{\;}\linsysR}}%
+{\end{tabular}}
+%\makeatother
+\endinput
-- 
cgit v1.2.1

