Re: Log Error
- To: mathgroup at smc.vnet.net
- Subject: [mg78849] Re: [mg78805] Log Error
- From: DrMajorBob <DrMajorBob at bigfoot.com>
- Date: Wed, 11 Jul 2007 06:08:45 -0400 (EDT)
- References: <200707101027.GAA26861@smc.vnet.net>
Log's default base is Napierian -- \[ExponentialE] -- not decimal. Log[10, 100] 2 Plot[Log[10, x - 1] - 2, {x, 0, 10}] Bobby On Tue, 10 Jul 2007 05:27:07 -0500, Laurence Kohn <L_Kohn at Nesbittgraphics.com> wrote: > Hi, > > I had a question about something I found in Mathematica 5.2... I was > plotting Log[x-1]-2 with x = {0,10} and y = {-10,5} and strangely found > that the graph crossed the x-axes at approximately x == 8 ... > > It should be 101 of course, but it seemed like 8. Then I did an Nsolve > with the equation set to 0, and low and behold got an answer x == > 8.38906. > > Is this a bug in mathematica or am I missing something here? > > > > -- Using Opera's revolutionary e-mail client: http://www.opera.com/mail/
- References:
- Log Error
- From: Laurence Kohn <L_Kohn@Nesbittgraphics.com>
- Log Error