Sigmoid Function: Difference between revisions

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=Logistic Function=
=Logistic Function=
:[[Image:LogisticFunction.png]]
:[[Image:LogisticFunctionGraph.png]]
Used by:
* [[Neural_Networks#Individual_Unit|Neural network units with logistic activation functions]].
==Logistic Function MATLAB Implementation==
<syntaxhighlight lang='MATLAB'>
%
% 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
</syntaxhighlight>

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

LogisticFunction.png
LogisticFunctionGraph.png

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