?? rjgaussian.m
字號:
function [y] = rjGaussian(mu,x);% PURPOSE : Gaussian basis function.% INPUTS : - mu: The basis centre.% - x: The evaluation point in the domain.% OUTPUTS : - y: The value of the Gaussian at x.% AUTHOR : Nando de Freitas - Thanks for the acknowledgement :-)% DATE : 21-01-99if nargin < 2, error('Not enough input arguments.'); end[N,d] = size(x); % N = number of data, d = dimension of x.y=zeros(N,1);for j=1:N, z=norm(x(j,:)-mu(1,:)); % Euclidean distance. y(j,1)=exp(-(15*15)*z.^(2)); % Gaussian% y(j,1)=exp(-(0.5)*inv(.00001)*z.^(2)); % Gaussian.end;
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