(self,t)
notice the conditional is independent of self.mean.
notice the conditional is independent of self.mean.
notice the conditional is independent of self . mean .
def _get_mean_at(self,t):
        "notice the conditional is independent of self.mean."
        if self.conditional:
            return self.startPosition + (self.endPosition-self.startPosition)*(t- self.startTime)/(self.endTime - self.startTime)
        else:
            return self.startPosition + self.mean*(t-self.startTime)
def _get_mean_at ( self , t ) : if self . conditional : return self . startPosition + ( self . endPosition - self . startPosition ) * ( t - self . startTime ) / ( self . endTime - self . startTime ) else : return self . startPosition + self . mean * ( t - self . startTime )