- B-P Learning Objective:
Solution:
1 K ω arg min eDk , Yk ω K k 1
*
ω ω ω ω
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Learning Strategies: Competitive Learning Winner-take-all (Unsupervised) How to compete? - Hard competition Only one neuron is activated - Soft competition Neurons neighboring the true winner are activated.
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2.2 B-P Network
Architecture A kind of multi-layer perceptron, in which the Sigmoid activation function is used.
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B-P Learning Algorithm
Artificial Neural Networks
Lecture 6
/MLMR
Plutarch: the brain is not a container needs to be filled with knowledge, but a torch needs to be lighted
Rosenblatt, 1957
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Single-layer Perceptron Learning