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[math-learn] Request to post a message on your group
Posted:
Jun 9, 2011 4:25 PM
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Hi,
My name is Amir Shachar and I am a graduate student at the faculty of mathematics in the Hebrew University, Jerusalem, Israel.
I would like to request to publish the following message in your group:
Title: An interesting mixture between continuous and discrete math - help needed!
The message's body:
All,
The following definition:
[TEX]
f_{\pm}^{;}(x)\equiv\underset{{ h\rightarrow0^{\pm}}}{\lim}sgn[f(x+h)-f(x)],
[/TEX]
involves continuous mathematics (Calculus) with discrete mathematics (the sign function, whose values are discrete).
This definition along with other interesting definitions, where continuous and discrete math join together, are depicted lucidly in the following video:
[video=youtube;mM5JY-Q6hiM]http://www.youtube.com/watch?v=mM5JY-Q6hiM [/video]
Any help with reviewing this video and the suggested definitions will be greatly appreciated!
Thanks a lot,
-amir (Happy)
Thank you in advance,
Amir Shachar
Institute of mathematics, Hebrew University, Jerusalem, Israel.
[Non-text portions of this message have been removed]
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