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## Equation Alignment causes several Errors## LaTeX Forum: Math & ScienceAdd tags
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Hello,
LaTeX tells me there are 12 errors in there : - Code: Select all • Open in online LaTeX editor
`\begin{aligned}` $|a_n| \sim |b_n| &\iff |a_n| - |b_n| = o(|a_n|) \\ &\iff \forall \varepsilon > 0, \exists N \in \mathbb{N}, \forall n \ge N, |a_n| - |b_n| \le \varepsilon |a_n|$ \end{aligned}
I guess it is because of the stuff in the `aligned` environment, since it is the first time I use it. Could someone explain how to use it so that LaTeX does not detect errors ? (surprisingly LaTeX displays exactly what I want to make, but I like documents without errors :D)Thank you ! :) Last edited by localghost on Sun Jan 20th, 2013, edited 1 time in total.
Reason: Longer passages of source code are tagged as code block, not as in-line code.
- Wenneguen
**Posts:**4**Joined:**Sun Jan 20th, 2013
Please always provide a self-contained and minimal example to make a problem comprehensible at all. This would also prevent others from guesswork and random shots.
The `aligned` environment only works in math mode, either in-line or display mode. Since you didn't provide a full example, one can only guess that you are perhaps looking for something like this.- Code: Select all • Open in online LaTeX editor
`\documentclass[11pt]{article}` \usepackage[T1]{fontenc} \usepackage{mathtools} % loads »amsmath« \begin{document} \begin{equation} \begin{aligned} |a_n| \sim |b_n| &\iff |a_n| - |b_n| = o(| :D a_n|) \\ &\iff \forall \varepsilon > 0, \exists N \in \mathbb{N}, \forall n \ge N, |a_n|-|b_n| \le \varepsilon |a_n| \end{aligned} \end{equation} \end{document}
And it's not necessary to activate in-line math mode ( `$…$` ) inside another math environment.Further reading: Best regards and welcome to the board Thorsten LaTeX Community Moderator
How to make a "Minimal Example" Board Rules Avoidable Mistakes ¹ System: openSUSE 13.1 (Linux 3.11.10), TeX Live 2013 (vanilla), TeXworks 0.5 (r1351) ² Posting stopped indefinitely due to offenses -
localghost - Site Moderator
**Posts:**9218**Joined:**Fri Feb 2nd, 2007**Location:**Braunschweig, Germany
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