what is the difference between normal kernel density, normal density, gaussian kernel function, pbs and npi kernel function? why use kernel density function what is normal distribution in matlab what is a kernel density function matlab why use kernel density what is kernel density what is kernel density in matlab what is kernel density function used for in matlab what is kernel density function? why use kernel density function which is used to solve a distribution problem what is kernel density function why do we use kernel density in matlab why use kernel density function matlab what is the difference between normal distribution and kernel density why use kernel density function why use kernel density function what is kernel density why use kernel density difference between kernel density and normal distribution in matlab