MathGroup Archive 1997

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RE: plot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg9612] RE: plot
  • From: "Richard W. Finley, M. D." <trfin at umsmed.edu>
  • Date: Fri, 14 Nov 1997 21:39:53 -0500
  • Sender: owner-wri-mathgroup at wolfram.com

Saeed	
All you need to do is load the package Graphics`ImplicitPlot` and then
plot your function using:

ImplicitPlot[ f[u] - constant term g[x] == 0 , { x , 0, 5 } ]

Of course, you have to specify the values of gamma and lambda before you
do this.  I tried it with your functions and it worked fine.

Hope that helps
RF

-----Original Message-----
From:	Saeed Esmaily Rashid [SMTP:saeedr at stud.ntnu.no] To:
mathgroup at smc.vnet.net
Sent:	Thursday, November 13, 1997 12:40 AM To:	mathgroup at smc.vnet.net
Subject:	

Hello!

My name is Saeed, I have problem that i hope somebody can help me. The
problem consists of two functions

f(u):=u^(4/(gamma+1))*(1/2+1/((gamma-1)*u^2))

and

g(x):=x^(4*(gamma-1)/(gamma+1))/(gamma-1)+x^(-(5-3*gamma)/(gamma+1))

they are related to each other by the 

f(u)=\lambda^(-2(gamma-1)/(gamma+1))*g(x)

where lambda is some constant, the value of gamma=7/5. I want to plot a
graph which shows the variation of u as a function of x. I have tried
for many hours but i can't find the way doing it in Mathematica 3.0.0.
Any help appriciated.

Thanks




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