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memorize the attained minimum over time in ODE

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  • Subject: [mg90721] memorize the attained minimum over time in ODE
  • From: Joerg Schaber <schaber at>
  • Date: Mon, 21 Jul 2008 04:29:07 -0400 (EDT)


I have an ODE that solves at each time step n something like


i.e., y' depends on the Minimum of y attained so far.

How do I implement that usind NDSolve? I cannot use algebraic equations,
because I used Method->StiffnessSwitching.



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