MathGroup Archive 2003

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Log Equation


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]
--
To reply via email subtract one hundred and nine


  • Prev by Date: change of a coefficient in a polynomial
  • Next by Date: Bad Command or FIlename (v2.2.2DOS)
  • Previous by thread: Re: Log Equation
  • Next by thread: Re: Log Equation