The density function of the triangular distribution is
where , , and are real numbers with .
Parameters:
is the minimum.
is the maximum.
is the mode.
, 
, and 
are real numbers with 
.
![\[ f(x) = \left\{ \begin{array}{ll} \frac{2(x - a)}{(m - a)(b - a)} & a \le x \le m \\ \frac{2(b - x)}{(b - m)(b - a)} & m < x \le b \\ \end{array} \right. \]](images/simsug_app20074.png)