First commit.

snippets/org-mode/matrix

@@ -0,0 +1,12 @@
+# -*- mode: snippet -*-
+# name: matrix
+# key: matrix
+# uuid: matrix
+# possible improvement, compute the number of lines from the argument to array
+# --
+\left \(
+\begin{array}{${1:ccc}}
+${2:v1 & v2} \\
+`%`$0
+\end{array}
+\right \)