Re: Non-algebraic solution

*To*: mathgroup at smc.vnet.net*Subject*: [mg52436] Re: [mg52399] Non-algebraic solution*From*: yehuda ben-shimol <benshimo at bgu.ac.il>*Date*: Sat, 27 Nov 2004 01:40:32 -0500 (EST)*References*: <200411260604.BAA24122@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Try ImplicitPlot <<Graphics`ImplicitPlot` and for example ImplicitPlot[(Log[y/a] + b*Log[c + y/d] == -x) /. {a -> 1, b -> 2, c -> 3, d -> 4}, {x, -4, 4}] yehuda B.Ravinder wrote: >Dear all, >I want to plot the following type of logarithmic equation having >dependent variable y and independent variable x. > >Log[y/a] + b*Log[c+y/d] = -x > >where a,b,c and d are some arbitrary constants. > >First I tried to solve the equation for y using Solve function in >Mathematica 4.2, but got the following error >message: >Solve:: tdep : >The equations appear to involve the variables to be solved >for in an essentially non-algebraic way. > > >Could someone please guide me as to how do we solve such equation >with/without Mathematica. > or >If possible, how to obtain y vs. x plot in Mathematica without soving them >exactly. >Waiting for the kind resonse. > >Regards, >Ravi > > >

**References**:**Non-algebraic solution***From:*"B.Ravinder" <ravi@crest.ernet.in>