My Math Forum no differentiable function.....

 Real Analysis Real Analysis Math Forum

 January 4th, 2010, 01:10 AM #1 Member   Joined: Jul 2009 Posts: 88 Thanks: 0 no differentiable function..... Prove that there is no differentiable function $f:[-1,1] \to \mathbb {R}$ such that $f'(x)=[x]$
 January 14th, 2010, 04:50 AM #2 Member     Joined: Aug 2007 Posts: 42 Thanks: 4 Re: no differentiable function..... Use the mean value theorem over an interval of length no less than 1.

 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post alexmath Calculus 5 June 12th, 2013 01:20 AM Camille91 Real Analysis 2 November 17th, 2011 08:22 AM Camille91 Real Analysis 1 October 31st, 2011 02:09 PM munkaka Real Analysis 7 April 29th, 2011 01:21 AM babyRudin Real Analysis 5 November 8th, 2008 03:50 AM

 Contact - Home - Forums - Cryptocurrency Forum - Top