February 24th, 2008, 07:05 PM  #1 
Newbie Joined: Feb 2008 Posts: 1 Thanks: 0  Equilibria and their Stability
Can anyone help me out with these 2 qns [ differential equations ]... PURE TIME dy/dx = 1/(1+x^2), where y(initial)=1 when x(initial)=0 and AUTONOMOUS dy/dx = (3y)(2+y) any help much appreciated = ) Thank you!! 
February 25th, 2008, 01:54 PM  #2  
Global Moderator Joined: May 2007 Posts: 6,660 Thanks: 647  Re: Equilibria and their Stability Quote:
1) y=int(dx/(1+x^2)) 2) x=int(dy/(3y)(2+y))  

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equilibria, stability 
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