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  1. Staphen

    differential equation - oscillation with changing mass

    Hi, can anybody give me a hint on how I get Mathcad to solve an equation like m(y(t))*y''(t)=F(y). The problem is that m(y(t)) depends for a certain time on the value of the last amplitude and therefore mathcad has to remember this value within the solve block somehow. Thank you

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