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 February 24th, 2008, 06:05 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 = (3-y)(2+y) any help much appreciated = ) Thank you!!
February 25th, 2008, 12:54 PM   #2
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Re: Equilibria and their Stability

Quote:
 Originally Posted by Canucks89 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 = (3-y)(2+y) any help much appreciated = ) Thank you!!
Both look like simple integration problems.
1) y=int(dx/(1+x^2))

2) x=int(dy/(3-y)(2+y))

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