输入

铅铋介质流致振动数据集D，数据标签L，决策树数量M，数据集D的数据量N

输出

x所述类别H(x)

1

Initialization Gain ← 0，G ← g₀，H ← h₀

2

for i ← 1 to M do G_L ← 0，H_L ← 0

3

for j ← 1 to N do

4

G_L ← G_L + g_j；H_L ← H_L + h_j；G_R ← G - G_L；H_R ← H - H_L

5

$\text{score}\leftarrow \max \left(\text{score},\frac{G_L^2}{H_L+\Psi }+\frac{G_R^2}{H_R+\Psi }-\frac{G^2}{H+\Psi }\right)$