init_sigmoid_def.m

来自「Standard model object recognition matlab」· M 代码 · 共 23 行

function [a,b] = init_sigmoid_def (layer)

% FUNCTION [a,b] = init_sigmoid_def (layer)
% 
% Specify sigmoid parameters a and b for rescaling the responses.
% If a<0, no re-scaling is done.

a = -1;
b = 0;
switch layer
  case {0,1,2,3,4,6,8}
    a = -1;
    b = 0;
  case 5
    a = 20;
    b = 0.9;
  case 7
    a = 20;
    b = 0.9;
  otherwise
    error(['Sigmoid not defined for Layer ' num2str(layer)]);
end