Artificial neural network

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Artificial Neural Network Vajiheh Zoghiyan Dec. 2013 1

description

neural network structure, artificial neural network, learning flowchart of ANN,ANN,

Transcript of Artificial neural network

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Artificial Neural Network

Vajiheh Zoghiyan Dec. 2013

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The structure of a neuron

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X₀=1 W₀=b

Threshold

W₁

W₂

Wᵪ

X₁

X₂

Xᵪ

�᷊��᷊�

𝑋

𝑟=0

Output(y)

If ∑>T then output=1

Otherwise output=0

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Activation function

transfer function:

• Hardlim

• hardlims

• Purelin

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Activation function

• Satlin:

• Satlins:

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• Logsig:

• Tansig:

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• Command line solution

• Graphical user interface: nftool

• nntool

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There are 3 simple ways to solve a neural network problem in Matlab

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