Feedforward neural networks 4 Algorithms 2 Approximation theory 2 Backpropagation 2 Computational complexity 2 Computational geometry 2 Convex recursive deletion region 2 Error analysis 2 Genetic algorithms 2 Matrix algebra 2 Multilayer neural networks 2 Neural network 2 Neural networks differential equations 2 Non-catalytic solid-gas reactor simulations 2 Optimization 2 Problem solving 2 Solid-gas reactors 2 Theorem proving 2 Two layer perceptron 2 Two-layer perceptron 2 Vectors 2 computer modeling 2 differential equation 2 neural network 2 reactor 2