Text Formatting ⇒ Alignment errors

[IsleofGough]

I've had lots of errors with the alignment environment. Sometimes it fails to compile but other times the formula does not accurately transcribe exponents. What am I doing wrong? An example:

Code: Select all

Code, edit and compile here:

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\documentclass[10pt]{article}
\usepackage[inner=1.125in, outer=1in, top=1in, bottom=1in]{geometry}  
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{lmodern}
\usepackage{commath}
\raggedbottom
\begin{document}
\section*{\textsf{Series of increasing powers}}
\begin{align}
S &= 1+2+x^2+x^3+\ldots+x^n\\
x\times S &= x+x^2+x^3+ \ldots x^n + x^(n+1)\\
\end{align}
\end{document}
 
 
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Run LaTeX here

This generates:

LatexProblem.jpg (39.64 KiB) Viewed 3244 times

[IsleofGough]

never mind. It looks like I should be using curly brackets on exponents.

[Stefan Kottwitz]

Hi,

yes, it's using curly braces.

By the way, I see that you use sans-serif headings. That is a good decision. I would just not use text formatting commands in headings. I recommend using scrartcl as document class, which automatically has sans-serif headings since it's a more modern design. It also offers more customizing options than the base article class.

Stefan

[IsleofGough]

Thank you!