The only way a Stock can change it's value is with a in- or out-Flow. So you would have to create an acceleration force big enough to change the balls velocity. Here is an example model of a bouncing ball in 1 dimension. // Magnus Gustafsson
I would like to model the motion of a bouncing ball with StochSD. In my model, i want to set the velocity of the ball to the negative of the current value as the ball hits the ground. So, how can i change the value of a stock if another stock hits a certain value? best regards, Jan Becker