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| I'm trying to run a Modelica code in SystemModeler: model code //constants constant Real pi = 2 * Modelica.Math.asin(1.0); parameter Real mukpc = 0.2; parameter Real muspc = 0.0; parameter Real mukps = 0.0; ... |
| I tried your code and I get a different error! s2 = NDSolve[{m1*x1''[t] == F1[t] - Ff12[t], x1'[0] == 0, x1[0] == 0, m2*x2''[t] == F2[t] + Ff12[t], x2'[0] == 0, x2[0] == 0, Ff12[t] == Fs12[t], WhenEvent[Abs[x1''[t] -... |