why use solver ode23tb(stiff/TR-BDF2) instead ode45(Dormand-Prince)? Thanks anyway :)
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Hi.why we use solver ode23tb(stiff/TR-BDF2) instead ode45(Dormand-Prince)? Thanks anyway :)
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Answers (2)
Star Strider
on 9 Dec 2016
In a stiff problem, ode45 just gets stuck and seems to loop infinitely. The choice of ‘stiff’ solver depends on the particular problem.
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Steven Lord
on 9 Dec 2016
Take a look at this post from Cleve's blog. If you don't want to read through the whole thing, scroll down to the "Stiffness in action" section where Cleve comments "(If you run only one example, run this one.)" and run that example.
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