vander3.m

《精通matlab7》“mastering matlab 7”的代码。

% vander3.m
% construct a Vandermonde matrix.

%x=(1:6)';      % column vector for input data
%m=5;           % highest power to compute
n=length(x);   % number of elements in x
V=ones(n,m+1); % preallocate memory for result

for i=m:-1:1   % build V column by column
   V(:,i)=x.*V(:,i+1);
end