Re: numerical problem
- To: mathgroup at smc.vnet.net
- Subject: [mg17055] Re: numerical problem
- From: pokornp at math.vscht.cz ()
- Date: Fri, 23 Apr 1999 02:32:02 -0400
- Organization: Ceske Vysoke Uceni Technicke, Praha
- References: <7f9ign$564@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
biggabba at my-dejanews.com wrote: : My problem is a problem with two non-linear equations, they are non-linear : with Exp. functions. My problem is that I can`t find any solution with : different Solve menus or FindRoot. : Solve[{(p2-380)Exp[p1-p2-20]/((1+Exp[p1-p2-20]+2Exp[p1-90]+Exp[p1-80])^2) : +(p2-280)Exp[p1-p2-40]/((1+Exp[p1-p2-40]+Exp[p1-130]+Exp[p1-110]+Exp[p1-120]) : ^2) =(341-p1)/((1+Exp[p1-p2-20]+2Exp[p1-90]+Exp[p1-80])^2)+ : (1+Exp[p1-p2-20]+2Exp[p1-90]+Exp[p1-80])(p1-156.88)+ : (p1-141)(Exp[p1-p2-40]+Exp[p1-130]+Exp[p1-110]+Exp[p1-120])/ : ((1+Exp[p1-p2-40]+Exp[p1-130]+Exp[p1-110]+Exp[p1-120])^2), : (p1-540)Exp[p1-p2-20]/((1+Exp[p1-p2-20]+2Exp[p1-90]+Exp[p1-80])^2)+ : (p1-140)Exp[p1-p2-40]/((1+Exp[p1-p2-40]+Exp[p1-130]+Exp[p1-110]+Exp[p1-120])^ : 2) =(p2-184.12)(Exp[p1-p2-20]/(1+Exp[p1-p2-20]+2Exp[p1-90]+Exp[p1-80])) : -(p2-181)((Exp[p1-p2-20])^2)/((1+Exp[p1-p2-20]+2Exp[p1-90]+Exp[p1-80])^2) : +(p2-281)Exp[p1-p2-40](1+Exp[p1-130]+Exp[p1-110]+Exp[p1-120])/ : ((1+Exp[p1-p2-40]+Exp[p1-130]+Exp[p1-110]+Exp[p1-120])^2)}] : I would be very grateful if someone could tell me something how to progress : this problem. : -----------== Posted via Deja News, The Discussion Network ==---------- : http://www.dejanews.com/ Search, Read, Discuss, or Start Your Own How about == instead of = ? Pavel Pokorny Math Dept, Prague Institute of Chemical Technology e-mail: Pavel.Pokorny at vscht.cz http://staff.vscht.cz/mat/Pavel.Pokorny