function c = bez_taylor(c) 

% BEZ_TALYOR : Taylor form of a Bezier curve
% c = bez_taylor(c) 
% change Bezier to Taylor coefficients c(k,:) 

n = size(c,1)-1;
for k=1:n
   c(k+1:end,:) = (n+1-k)*diff(c(k:end,:))/k; 
end