Text Formatting ⇒ Text Alignment, equations alignment, and extra space!

[amegahed3]

Hi all,

I have a couple of questions concerning some formatting issues:

1. How can I custom align text? More specifically, suppose I wanna write this in Latex:

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For i=0 to 10, do
     while j=0 to 5, do
             If j=t+1, do
                change t to t-1
                Do other necessary modifications
             End if
   End while
End for
 
 
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How can I write such a previous algorithm in that specific text alignment?

2. How can I align a set of equations to the left?

So, for instance the following code centers those 2 equations:

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Code, edit and compile here:

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 \begin {flalign}
 x=y+1 \\
 \sum\limits_{s \in S} X_s =10
 \end{flalign}
 
 
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Run LaTeX here

How can I make it align them to the left?

And how can I let any equation that begins with "==" be aligned with the previous "=" of the previous equation (not in the previous code)?

3. The following code leaves a wider big vertical space between the second enumeration and the italic word "Assumptions:" than the vertical space between the first enumeration and that same word:

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Code, edit and compile here:

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\begin{enumerate}
  \item \textbf{Column Generation procedure}\\
\noindent \emph{Assumptions:}
\begin{enumerate}
  \item No literature found!
  \item The routing paper.
 \end{enumerate}
\end{enumerate}
 
 
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Run LaTeX here

HOw can I avoid that extra space, and make that extra space between the first enumeration and "assumptions"?

I'd really appreciate any help.

Thanks a lot.

Aly

[gmedina]

Hi,

1) The verbatim environment can be an intial (and really basic) option. However, the listings package offers you a complete range of configurable options to write (pseudo)-code.

3) You can do something like this:

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Code, edit and compile here:

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\begin{enumerate}
  \item \textbf{Column Generation procedure}
  \item[] \emph{Assumptions:}\vspace*{-5pt}
  \begin{enumerate}
    \item No literature found!
    \item The routing paper.
  \end{enumerate}
\end{enumerate}
 
 
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Run LaTeX here

2) Do you want the left alignment to apply to all of your equations or just to some of them? Anyway, the amsmath package documentation can give you some ideas.

[christiem]

1) The <algorithms> package is also very nice if you have to write a lot of pseudo-code.
http://www.ctan.org/tex-archive/macros/ ... lgorithms/

For example, try running this to get a version of your pseudo-code from above:

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Code, edit and compile here:

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\usepackage{algorithm,algorithmic}
\usepackage{amsmath}
\begin{document}
\begin{algorithm}
\caption{Calculate $y = x^n$}\label{alg1}
\begin{algorithmic}
\FOR{$i=0:10$}
    \WHILE{$j=0:5$}
        \IF{$j=t+1$}
            \STATE Change $t$ to $t-1$
            \STATE Do other necessary modifications
        \ELSIF{some other condition is true}
            \STATE do some different processing
        \ENDIF
    \ENDWHILE
\ENDFOR
\end{algorithmic}
\end{algorithm}
\end{document}
 
 
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Run LaTeX here