f_df_md

PURPOSE

Function value and derivative for penalised density

SYNOPSIS

function [f,df] = f_df_md(v,X, pars)

DESCRIPTION

Function value and derivative for penalised density 
[F,DF] = F_DF_MD(V,X, PARS)

 Inputs:
    (V): Projection vector
    (X): Data matrix
    (PARS): Structure array containing all parameters of MDH algorithm

 Output: 
    (F): the value of projection index for MDH 
    (DF): derivative of projection index w.r.t. projection vector (v)

CROSS-REFERENCE INFORMATION

This function calls:

df_md Derivative of penalised density on hyperplane criterion
f_md Penalised density of optimal hyperplane with normal vector (V)

This function is called by:

mdpp Minimum Density Projection Pursuit (MDPP) algorithm