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June 5th, 2017, 02:06 AM   #1
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Smile 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 anti-derivative 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
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June 5th, 2017, 11:07 AM   #2
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What was the particular Springer publication?
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