Re: Now I understand that it was an input problem!!
- To: mathgroup at smc.vnet.net
- Subject: [mg45028] Re: Now I understand that it was an input problem!!
- From: drbob at bigfoot.com (Bobby R. Treat)
- Date: Sat, 13 Dec 2003 06:06:24 -0500 (EST)
- References: <brcidj$2rl$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
The "curly braces" (actually parentheses) are required only if you mean it that way. There was no clue from your original post that you wanted the inverse of (x Log[x]) rather than Log[x] times the inverse of x. Either way, it's basic mathematical notation, not a peculiarity of Mathematica. Bobby geoman <geogeo9090 at yahoo.com> wrote in message news:<brcidj$2rl$1 at smc.vnet.net>... > The integrator at wolfram finally after two weeks of cursing and Emails and the like, evaluates the following integral properly > > 1/(x Log[x]) = Log[Log[x]] > > or > > 1/(x*Log[x]) = Log[Log[x]] > > notice that contrary to some responses I had to include two curved braces as shown. > > Satisfied? NO > > Mathematica is way too case sensitive > > The problem was that I was entering integrals like this: > > log[x] > > LOG[x] > > But mathematica WANTS > Log[x] groan!!! > > Mathematica could have saved two weeks of trouble if it had just said "Incorrect format"