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