\name{cfLM} \alias{cfLM} \title{Characteristic function of Laplace motion} \usage{ cfLM(u, param, time1, time2, type = "mu", log = FALSE, start = 0) } \arguments{ \item{u}{Transform variate} \item{param}{Parameter vector} \item{time1}{Start time of the process} \item{time2}{End time of the process} \item{type}{Choose between "mu" or "kappa" parametrization} \item{log}{Logical for log-parameters} \item{start}{Starting value of the process} } \value{ Characteristic function value at point u for given parameter vector } \description{ Characteristic function of Laplace motion } \author{ Francois Pelletier }