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Hi all!

Please help me to solve a simple differential equation: 

p' = ln(p)

It's very easy, sure, but I need help!

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1 
 This is a "separation of variables" question as seen in all first courses on differential equations. In this case it leads to an integration which may not be soluble in "elementary" terms. – Robin Chapman May 29 2010 at 13:38
2 
 I suspect this is a homework problem... – Wadim Zudilin May 29 2010 at 13:42
1 
 I doubt this is homework (or if it is, whoever asked did not 'solve' it first) since the 'answer' involves the (functional) inverse of the exponential integral Ei. – Jacques Carette May 29 2010 at 14:27
2 
 wolframalpha.com/input/?i=p%27%3DLog[p] – jc May 29 2010 at 16:51

closed as too localized by Robin Chapman, Pete L. Clark, Steve Huntsman, Harald Hanche-Olsen, Tim Perutz May 29 2010 at 14:26

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