[Tugindia] Putting boxes around equations

[kumarasamy Shanmugam]

--- Biplab Raychaudhuri <biplabr at rediffmail.com>
wrote:
> How can I put box around an equation if it is
> (numbered/unnumbered). \fbox command changes the
> formatting.

create a new command like this :

\newcommand{\boxedeqn}[1]{%
  \[\fbox{%
      \addtolength{\linewidth}{-2\fboxsep}%
      \addtolength{\linewidth}{-2\fboxrule}%
      \begin{minipage}{\linewidth}%
      \begin{equation}#1\end{equation}%
      \end{minipage}%
    }\]%
}

and define the equation like this: 

\boxedeqn{
  X_1(j\omega) = 
    \int\limits^{+\infty}_{-\infty} x_1(t) e^{-j\omega
t} dt
}

If the equation number doesn't need to be included in
the box, use \boxed{...}

Refer: 
http://www.ams.org/tex/amsmath-faq.html

G S Kumarasamy 






 
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