11 Marzo 2009 alle 0:35
#28993
::
Grazie Enrico! Sei strepitoso.
Riecco le definizioni rivedute e corrette
`\usepackage{mathtools}
\usepackage{cases}
\newenvironment{system*}%
{\begin{displaymath}\left\lbrace \begin{lgathered}}%
{\end{lgathered} \right. \end{displaymath}\ignorespacesafterend}
\newenvironment{system}[1][]%
{\begin{equation}#1\left\lbrace \begin{lgathered}}%
{\end{lgathered} \right. \end{equation}\ignorespacesafterend}
\newenvironment{subsystem}[1][]%
{\begin{subnumcases}{#1}}%
{\end{subnumcases}\ignorespacesafterend}
`
Ciao ciao.
Fra