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LaTeX specific issues not fitting into one of the other forums of this category.
by akira32 on Mon Jun 23rd, 2008
How to align the math formula to left? I want to let and Ttotal and Teach tile has the same xcoordinate. There are my code about two math formula as below:  Code: Select all • Open in writeLaTeX
\subsection{Cost Time}
The comparison of cost time of QVSM and Smart Shadow Maps Refinement is show in (Figure \ref{fig:7costime}). If the red region is the effective shadow region and do not need split into 2x2 subtiles further.
QVSM:\\
$T_{total} = T_{eye} + T_{sm} + T_{SRT} + 4 \times T_{each tile}+ 4 \times 4 \times T_{each tile}$\\ $T_{each tile} = T_{sm} + T_{SRT}$\\
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 Alignment Problem
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akira32

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by Stefan_K on Tue Jun 24th, 2008
Hi, you could use amsmath and align, if you want to align to the relation symbol:  Code: Select all • Open in writeLaTeX
QVSM: \begin{align*} T_{total} &= T_{eye} + T_{sm} + T_{SRT} + 4 \times T_{each tile}+ 4 \times 4 \times T_{each tile }\\ T_{each tile} &= T_{sm} + T_{SRT} \end{align*}
If you want it left aligned instead, tell us. Stefan
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by akira32 on Tue Jun 24th, 2008
Thank you,Stefan_K. I want to align the formulas to left.

akira32

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by Stefan_K on Tue Jun 24th, 2008
Like this?  Code: Select all • Open in writeLaTeX
\usepackage[fleqn]{amsmath} ... QVSM: \begin{equation*} T_{total} = T_{eye} + T_{sm} + T_{SRT} + 4 \times T_{each tile}+ 4 \times 4 \times T_{each tile } \end{equation*} \begin{equation*} T_{each tile} = T_{sm} + T_{SRT} \end{equation*}
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by akira32 on Tue Jun 24th, 2008
This is my preamble about the packages.  Code: Select all • Open in writeLaTeX
\documentclass[12pt]{report} \usepackage{thesis} \usepackage{amsmath,amssymb} \usepackage{float,multicol,epsfig}
\usepackage[fleqn]{amsmath} % <====
When I add the last line, it appears an error message:  Code: Select all • Open in writeLaTeX
! LaTeX Error: Option clash for package amsmath. See the LaTeX manual or LaTeX Companion for explanation. Type H <return> for immediate help.

akira32

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by localghost on Tue Jun 24th, 2008
You are loading the amsmath package twice. Once with and once without the fleqn option. Best regards Thorsten¹

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by gatoatigrado on Sun Feb 14th, 2010
I have an align* that's behaving very badly  there's a huge space after the second ampersand  any help would be much appreciated.  Code: Select all • Open in writeLaTeX
\begin{align*} \frac{\partial L}{\partial w(\hat c, \hat f)}(X, w) &= \sum_{c, x \in X} \frac{\partial}{\partial w(\hat c, \hat f)} &\left( \sum_{f \in \mathcal{F}} w(c, f) x(f)  \log \left( \sum_{c'} e^{\textstyle \sum_f w(c', f) x(f)} \right) \right) \end{align*}
This is what it renders like (using fullpage[cm])
 render error
 20100214_0.png (14.29 KiB) Viewed 67523 times

gatoatigrado

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by localghost on Sun Feb 14th, 2010
Just delete the second ampersand. It's useless in this case.
Best regards Thorsten

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by cohena100 on Fri Nov 11th, 2011
By using flalign and one & at the start of the line and another & at its end.  Code: Select all • Open in writeLaTeX
\documentclass{article} \usepackage{amsmath} \begin{document} \section*{} Some text. \begin{flalign*} &T_{total} = T_{eye} + T_{sm} + T_{SRT} + 4 \times T_{each tile}+ 4 \times 4 \times T_{each tile}&\\ &T_{each tile} = T_{sm} + T_{SRT}& \end{flalign*} Some other text. \end{document}

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