My Math Forum Oscillation of increasing functions

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 January 15th, 2009, 03:45 AM #1 Member   Joined: Dec 2006 Posts: 90 Thanks: 0 Oscillation of increasing functions $\documentclass{article} \begin{document} Consider f:\Bbb{R}\longrightarrow \Bbb{R},the oscillation \omega_f(a) of f at the point a is \end{document}$
 January 15th, 2009, 04:21 PM #2 Senior Member   Joined: Oct 2007 From: Chicago Posts: 1,701 Thanks: 3 Re: Oscillation of increasing functions If you want the code to work: The "latex" on this forum is always in math mode. For example, your '\$' tags are useless; to get text, use \text{}. It is a restricted form of latex, because we only need it for small chunks; mostly just simple equations, not a whole, well typeset document. Cheers, Cory
 January 18th, 2009, 02:18 AM #3 Member   Joined: Dec 2006 Posts: 90 Thanks: 0 Re: Oscillation of increasing functions Why do not work latex codes????? $\sum_{i=1}^{n}{\frac{x^{i}}{\sqrt{i}}}$
 January 18th, 2009, 05:57 AM #4 Senior Member   Joined: Jul 2008 Posts: 144 Thanks: 0 Re: Oscillation of increasing functions look! $\sum_{i=1}^{n}{\frac{x^{i}}{\sqrt{i}}}$ is it magic?
January 21st, 2009, 06:34 AM   #5
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Re: Oscillation of increasing functions

Quote:
 Originally Posted by bigli Why do not work latex codes????? $\sum_{i=1}^{n}{\frac{x^{i}}{\sqrt{i}}}$
You probably have the "Disable BBCode" option enabled.

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