/math-8b2b1f6a2022f1a9f2a54014b1406e26.png "Y = lappdf(X, \mu, b)")
returns the probability density function of the Laplace distribution with location parameter mu and scale parameter b, evaluated at the values in X.
returns the probability density function of the Laplace distribution with location parameter mu and scale parameter b, evaluated at the values in X.
/math-91fdc0bcfa16bab9ba76b1c44257aac3.png "f(x|\mu,b) = \frac{1}{2b} \exp \left( -\frac{|x-\mu|}{b} \right) \,\!")
![= \frac{1}{2b}
\left\{\begin{matrix}
\exp \left( -\frac{\mu-x}{b} \right) & \mbox{if }x < \mu
\\[8pt]
\exp \left( -\frac{x-\mu}{b} \right) & \mbox{if }x \geq \mu
\end{matrix}\right.](../images/Lappdf_(function)/math-a5a9b7eb31d29b76b9351919882b5ec3.png "= \frac{1}{2b}
\left\{\begin{matrix}
\exp \left( -\frac{\mu-x}{b} \right) & \mbox{if }x < \mu
\\[8pt]
\exp \left( -\frac{x-\mu}{b} \right) & \mbox{if }x \geq \mu
\end{matrix}\right.")
/math-a73c373ed1072d9d49add37ee0b22203.png "b >0")
.