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Can't understand the meaning of some symbols 
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#1
May2011, 04:06 AM

P: 29

1. The problem statement, all variables and given/known data
This is an extract from elements of mechanics by giovanni. I'[m unable to understand the meaning of [tex]R^d[/tex] and [tex]C^\infty[/tex] http://flic.kr/p/9K8P7p 2. Relevant equations 3. The attempt at a solution 


#2
May2011, 05:31 AM

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P: 26,160

hi shakgoku!
R^{d} is the same as R^{n} … i assume "d" stands for "dimension"and C^{∞} is the space of functions which are differentiable "infinitely many" times 


#3
May2011, 11:03 AM

P: 29

Hey tinytim!
Thank you , now everything in the page makes sense to me! :) 


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