55
iborat:birinchisi qatorni yozish,ikkinchisi qator ustini yozish.Quyidagi misol
yordamida bu buyruq haqida tasavvur hosil qilishingiz mumkin:
$A\stackrel{f}{\longrightarrow}B$
Qator ostida gorizontal figurali qavs yozish uchun \underbrace buyrug’idan
foydalaniladi.Albatta bu buyruqdan keyin qatorni yana davom ettirish mumkin.
$$
\underbrace{1+3+5+7+
\cdots+2n-1}_{\mbox{$n$ ta}}=n^2
$$
Qator ustiga gorizontal figurali qavs yozish uchun \overbrace buyrug’idan
foydalaniladi.Bir qatorning ham yuqori qismiga,ham ostki qismiga gorizontal
figurali qavs yozish mumkin.
$$
\overbrace{\underbrace{
a+b+\cdots+z
}_{26}+1+
\cdots+10}^{36}
$$