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Aligning Math Symbols Topic is solved

Add tags Information and discussion about LaTeX's math and science related features (e.g. formulas, graphs).

Aligning Math Symbols  Topic is solved

Postby learningtex on Fri Nov 16th, 2012

Hi there! I'm a beginner to Latex and need some help with aligning subscripts and superscripts in Maths. Here's what I have:

Code: Select all  •  Open in writeLaTeX
 \documentclass{article}
 
  \usepackage[utf8]{inputenc}
  \usepackage[T1]{fontenc}
  \usepackage{geometry}
  \geometry{a4paper}
 
  \usepackage[frenchb]{babel}
 
  \title{Remaining Maths Homework}
  \author{Herp Derp}
  \date{15 November 2012}

  \begin{document}
  \maketitle
 
\Large Exercise 5.1 \normalsize
\\
\\Q1. (a) The graph of $f(x)$ has a domain $D \in [0,8]$, which is divided into four rectangles of equal base, $x = 2$. The actual area under the graph of $f(x)$ isestimted as: $\sum_{i=1}^{+\infty}{f(x)}$ and $\int_{x_0}^{x_1}$

  \end{document
}


And here's the output:

example.PNG
Output
example.PNG (17.14 KiB) Viewed 640 times


As you can see, the $\infty and i=1$ are to the side of the sigma function and not on top of it. How do I solve this?
learningtex
 
Posts: 2
Joined: Fri Nov 16th, 2012

Re: Aligning Math Symbols

Postby kaiserkarl13 on Fri Nov 16th, 2012

TeX normally typesets summation and product symbols with the indices on the sides in "text" style math fields, but on top/bottom in "display" style math. You can select a math display with \[...\], which is equivalent to the displaymath environment. If you want it in text mode, but still want display-sized symbols, use the \displaystyle command (there is also a \textstyl command). I provide an example of both here.
Code: Select all  •  Open in writeLaTeX
     \documentclass{article}

      \usepackage[utf8]{inputenc}
      \usepackage[T1]{fontenc}
      \usepackage{geometry}
      \geometry{a4paper}

      \usepackage[frenchb]{babel}

      \title{Remaining Maths Homework}
      \author{Herp Derp}
      \date{15 November 2012}

      \begin{document}
      \maketitle

    \Large Exercise 5.1 \normalsize
    \\
    \\Q1. (a) The graph of $f(x)$ has a domain $D \in [0,8]$, which is divided into four rectangles of equal base, $x = 2$. The actual area under the graph of $f(x)$ isestimted [sic] as: $\sum_{i=1}^{+\infty}{f(x)}$ and $\int_{x_0}^{x_1}$

Option 1:
    \\Q1. (a) The graph of $f(x)$ has a domain $D \in [0,8]$, which is
divided into four rectangles of equal base, $x = 2$. The actual area under the
graph of $f(x)$ is estimated as: \[\sum_{i=1}^{+\infty}{f(x)}\] and \[\int_{x_0}^{x_1}\] \\
Option 2:
    \\Q1. (a) The graph of $f(x)$ has a domain $D \in [0,8]$, which is
divided into four rectangles of equal base, $x = 2$. The actual area under the
graph of $f(x)$ is estimated as: $\displaystyle\sum_{i=1}^{+\infty}{f(x)}$ and $\displaystyle\int_{x_0}^{x_1}$ \\
      \end{document
}
kaiserkarl13
 
Posts: 566
Joined: Tue Mar 25th, 2008
Location: Knoxville, TN, USA

Re: Aligning Math Symbols

Postby learningtex on Sat Nov 17th, 2012

Thanks, \displaystyle was just what I wanted.
learningtex
 
Posts: 2
Joined: Fri Nov 16th, 2012


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