CDF_3dPlot              3D plot of the joint CDF of the bivariate
                        exponential distribution (BED) based on the
                        Moran-Downton model
CondBED                 Conditional distribution of Y given X=x of the
                        bivariate exponential distribution (BED) based
                        on the Moran-Downton model
Contour_Plot            Contour plot of the bivariate exponential
                        distribution (BED) based on the Moran-Downton
                        model
PDF_3dPlot              3D plot of the joint PDF of the bivariate
                        exponential distribution (BED) based on the
                        Moran-Downton model
dBED                    Joint density function of the bivariate
                        exponential distribution (BED) based on the
                        Moran-Downton model
pBED                    Joint CDF of the bivariate exponential
                        distribution (BED) based on the Moran-Downton
                        model
rBED                    Bivariate generator of the bivariate
                        exponential distribution (BED) based on the
                        Moran-Downton model
