$$f(x_1,\dots, x_{K-1}; \alpha_1,\dots, \alpha_K) = \frac{1}{\mathrm{B}(\alpha)} \prod_{i=1}^K x_i^{\alpha_i - 1}, \quad s.t. \mathrm{B}(\boldsymbol\alpha) = \frac{\prod_{i=1}^K \Gamma(\alpha_i)}{\Gamma\bigl(\sum_{i=1}^K \alpha_i\bigr)},\quad \boldsymbol\alpha=(\alpha_1,\ldots,\alpha_K), \quad K \geq 2, \quad \alpha_i > 0 $$ # Distributions |