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2014-02-20 18:26:00 +0200 | asked a question | desolve_rk4 cannot handle a piecewise function I am trying to get a numeric solution to a differential equation involving a function that is piecewise (actually defined using an if/else statement). I successfully generated a slopefield using the lambda function, but desolve_rk4 seemingly cannot cope with this syntax. It seems to me that a numeric solver should be able to handle a function defined this way, but perhaps I am just doing something wrong? Code: |