Re: numerical solutions to two non algebraic equations.

*To*: mathgroup at smc.vnet.net*Subject*: [mg55517] Re: [mg55492] numerical solutions to two non algebraic equations.*From*: "Janos D. Pinter" <jdpinter at hfx.eastlink.ca>*Date*: Sun, 27 Mar 2005 02:42:55 -0500 (EST)*References*: <200503260739.CAA21843@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Bob, NMinimize[{0, Sin[x] - Exp[-x] == 0}, {x, 2.5, 3.5}] {0., {x -> 3.0963639322936016}} Sin[x] - Exp[-x] /. x -> 3.0963639322936016 1.1163282104265093*^-10 NMinimize[{0, (9^x)*Log[x] == Log[9]}, {x, 1., 2.}] {0., {x -> 1.179067993922227}} x^(9^x) - 9 /. x -> 1.179067993922227 -3.026201333966583*^-8 You could increase the default accuracy if needed, by setting NMinimize options. Regards, Janos D. Pinter, PhD, DSc PCS Inc. E-mail: jdpinter at hfx.eastlink.ca Web: www.pinterconsulting.com At 03:39 AM 3/26/2005, Robert G. Wilson v wrote: >Hello, > > I am trying to get the decimal expansion of solution to >sin(x)-exp(-x)=0 around pi, its about 3.093639, and the decimal >expansion of solution to x^(9^x)=9, its about 1.179. > > Thank you for your time and consideration. > >Bob. > > >

**References**:**numerical solutions to two non algebraic equations.***From:*"Robert G. Wilson v" <rgwv@rgwv.com>