Re: Log Equation
- To: mathgroup at smc.vnet.net
- Subject: [mg44775] Re: Log Equation
- From: Bill Rowe <readnewscix at mail.earthlink.net>
- Date: Tue, 25 Nov 2003 00:45:54 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
On 11/24/03 at 12:05 AM, bernard at bouree.net (Bernard BourÃ?e) wrote:
> I 'm trying to find a way to solve the equation
> y = (1-x)/ Log(x)
> How can I find x when y is known ?
Have you tried either NSolve or Solve? With no values assigned to either y or x, you can use
Solve[y==(1-x)/Log@x,x]
which will return
{{x->y ProductLog[Exp[1/y]/y]}}
or with a real value assigned to y you can use
NSolve[y==(1-x)/Log@x,x]
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