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June 5th, 2017, 02:06 AM  #1 
Newbie Joined: May 2017 From: south korea Posts: 7 Thanks: 0  Question about general substitution for tricky ODE
as you know, many ODE(Ordinary Differential Equation) have explicit solution, but there are also more ODE which doesn't have. Let's think hypothetical need to find solution for a <Stiff ODE> to calculate area below curvature or more generally, to find primitive or antiderivative function or its substitute. A example of stiff ODE, you can find from Springer, is y = y' + cos(x) where y is a function of x then, what could be the way to replace or approximate it practically? thank you for dropping by 
June 5th, 2017, 11:07 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,281 Thanks: 1965 
What was the particular Springer publication?


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general, ode, question, substitution, tricky 
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