Update: The article migrated to here. Http://lanbing510.info/2014/11/07/Neural-Network.html, there is a corresponding PPT link.
Note: Organize the PPT from shiming teacher
Students who can't see the picture can open the link directly: Https://app.yinxiang.com/shard/s31/sh/61392246-7de4-40da-b2fb-ccfd4f087242/259205da4220fae3
Content Summary 1 Development History2 Feedforward Network (single layer perceptron, multilayer perceptron). Radial basis function Network RBF 3 feedback network (Hopfield network).Lenovo Storage Network, SOM. Boltzman and restricted Boltzmann machine rbm,dbn,cnn)
Development History
single-layer perceptron 1 Basic model
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2 Assume that the excitation function is linear. Direct calculation with least squares available
content=# "style=" ">3 assumes that the excitation function is sifmoid function and can be iterated (one-time or sample-by-update)
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Multilayer Perceptron
1 Basic model
2 Example (Multilayer Perceptron MLP with one hidden layer)
Model:
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Y=h (v) =h (H (U))
Solving:
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Then the weights of the two layers are then divided into two different values:
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Then the update is available, reverse propagation (BP)
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3 Experience
content=# "style=" ">4 Advantages and disadvantages
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RBF Neural Network
1 Models
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content=# "style=" ">2 solution
3 Strengths and perspectives
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A brief introduction to deep learning
1 Forward Neural network
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2 Development history
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content=# "style=" ">3 overview
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4 Some worth paying attention to the academic industry
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Belief Network & Hopfield Network & Boltzman Machine & RBM structure at a glance
1 Belief Network
content=# "style=" ">2 Hopfield Network3 Boltzman Machine
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RBM
1 Models
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content=# "style=" "> Use formula. Can get
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2 Solving the CD algorithm
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DBN
1 Models
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content=# "style=" ">2 Training for feature extraction
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content=# "style=" "> Category-oriented
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Dbm
Model
CNN 1 Models
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2 Training
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References
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A discussion on the classical algorithm of machine learning-artificial neural network