the_most_usef_eq.txt

            z = self.rate - price / (price + self.q / self.rate)
            k = i * np.divide(1., max(0., z))
            wantedEstate = (wealthOfOneDelta / (price + self.q / self.rate)) * min(k, 1) - realEstate
            wantedEstateAll += wantedEstate