1.\" $OpenBSD: basic.in,v 1.3 2017/07/04 14:53:23 schwarze Exp $
2.Dd $Mdocdate: July 4 2017 $
3.Dt MATRIX-BASIC 1
4.Os
5.Sh NAME
6.Nm matrix-basic
7.Nd matrixes in equations
8.Sh DESCRIPTION
9initial text
10.EQ
11left (
12matrix { ccol { a sub 11 above a sub 21 } ccol { a sub 12 above a sub 22 } }
13right )
14left (
15pile { b sub 1 above b sub 2 }
16right )
17left [
18bold pile { sin above "sin" }
19right ]
20.EN
21final text
22