Artificial neural networks

Learning rule

An artificial neural network's learning rule or learning process is a method, mathematical logic or algorithm which improves the network's performance and/or training time. Usually, this rule is applied repeatedly over the network. It is done by updating the weights and bias levels of a network when a network is simulated in a specific data environment. A learning rule may accept existing conditions (weights and biases) of the network and will compare the expected result and actual result of the network to give new and improved values for weights and bias. Depending on the complexity of actual model being simulated, the learning rule of the network can be as simple as an XOR gate or mean squared error, or as complex as the result of a system of differential equations. The learning rule is one of the factors which decides how fast or how accurately the artificial network can be developed. Depending upon the process to develop the network there are three main models of machine learning: 1. * Unsupervised learning 2. * Supervised learning 3. * Reinforcement learning (Wikipedia).

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Related pages

Oja's rule | Boltzmann machine | Expectation–maximization algorithm | Reinforcement learning | Decision tree learning | Cluster analysis | Hopfield network | Neocognitron | XOR gate | Learning vector quantization | Transfer function | Recurrent neural network | Bias of an estimator | Self-organizing map | Least mean squares filter | Adaptive resonance theory | ADALINE | Artificial neural network | Backpropagation | Linear separability | Mean squared error | Algorithm