$$\displaystyle \left( \begin{array}{lllll} n & \sum{x_i} & \sum{x_i}^{2} & \sum{x_i}^{3} & \sum{x_i}^{4}\\ \sum{x_i} & \sum{x_i}^{2} & \sum{x_i}^{3} & \sum{x_i}^{4} & \sum{x_i}^{5}\\ \sum{x_i}^{2} & \sum{x_i}^{3} & \sum{x_i}^{4} & \sum{x_i}^{5} & \sum{x_i}^{6}\\ \sum{x_i}^{3} & \sum{x_i}^{4} & \sum{x_i}^{5} & \sum{x_i}^{6} & \sum{x_i}^{7}\\ \sum{x_i}^{4} & \sum{x_i}^{5} & \sum{x_i}^{6} & \sum{x_i}^{7} & \sum{x_i}^{8} \end{array}\right)\left(\begin{array}{l} a_0\\a_1\\a_2\\a_3\\a_4\end{array}\right)= \left(\begin{array}{l} \sum{y_i}\\ \sum{x_i} {y_i}\\ \sum{x_i}^{2} {y_i}\\ \sum{x_i}^{3} {y_i}\\ \sum{x_i}^{4} {y_i} \end{array} \right)$$
Zuletzt geändert: Mittwoch, 31. März 2021, 22:33