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 June 2nd, 2011, 10:15 AM #1 Newbie   Joined: Jun 2011 Posts: 1 Thanks: 0 Logarithms What does log^2(n) means? Is it (logn)^2 or loglogn ????
 June 2nd, 2011, 10:34 AM #2 Senior Member   Joined: Sep 2010 Posts: 101 Thanks: 0 Re: Logarithms $\log^2n=\log n\log n = (\log n)^2$
 June 4th, 2011, 12:38 AM #3 Senior Member   Joined: Apr 2007 Posts: 2,140 Thanks: 0 (log n)².
 June 4th, 2011, 01:25 AM #4 Global Moderator     Joined: Nov 2009 From: Northwest Arkansas Posts: 2,766 Thanks: 4 Re: Logarithms It's ambiguous. http://math.stackexchange.com/questions ... its-result "calling" a function twice in succession can be denoted f^2, yet so can the product of a function with itself.
 June 4th, 2011, 04:01 AM #5 Senior Member     Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs Re: Logarithms Also, I've seen the notation $f^{(n)}$ used to denote the nth derivative of f.
 June 4th, 2011, 05:00 PM #6 Senior Member   Joined: Apr 2007 Posts: 2,140 Thanks: 0 Trigonometry: sin^nu, cos^nu and tan^nu.

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