Sigmoid Function: Difference between revisions
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:[[Image:LogisticFunction.png]] | :[[Image:LogisticFunction.png]] | ||
:[[Image:LogisticFunctionGraph.png]] | |||
Used by: | |||
* [[Neural_Networks#Individual_Unit|Neural network units with logistic activation functions]]. | |||
==Logistic Function MATLAB Implementation== | ==Logistic Function MATLAB Implementation== | ||
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<syntaxhighlight lang='MATLAB'> | <syntaxhighlight lang='MATLAB'> | ||
% | % | ||
%Compute the logistic function of z, where z can be a scalar, vector or matrix | % Compute the logistic function of z, where z can be a scalar, vector or matrix | ||
% | % | ||
function s = logistic(z) | function s = logistic(z) | ||
Latest revision as of 06:38, 4 January 2018
External
Internal
Overview
Often, the sigmoid function refers to a special case of the logistic function.
Logistic Function
Used by:
Logistic Function MATLAB Implementation
%
% Compute the logistic function of z, where z can be a scalar, vector or matrix
%
function s = logistic(z)
s = 1 ./ (1 + (e .^ (-1 .* z)));
end