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I am trying to understand the effect of introducing discontinuities inside ODE on system stiffness.

simply speaking if we have an equation :

enter image description here

you can have further look here https://ch.mathworks.com/help/matlab/math/ode-event-location.html [Simple Event Location: A Bouncing Ball]

Now if we rewrite this equations as

enter image description here

do we expect that the stiffness of the problem becoming higher (of course from ODE solver prespective) means higher chance for numerical errors, especially at y= 0.

any thoughts ?

Adnan j
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    Is this a question about the software Mathematica? Or MATLAB? Or a general mathematics question? (This is a site for questions about how to use Mathematica.) – Michael E2 Dec 03 '19 at 15:32
  • @Michael E2: No... this is not "a site for questions about how to use Mathematica." – David G. Stork Dec 04 '19 at 06:43
  • @DavidG.Stork "This" = mathematiica.stackexchange.com, before the question was migrated, which is "a site for questions about how to use Mathematica." – Michael E2 Dec 04 '19 at 11:45

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