Method and apparatus for training a system model with gain constraints. A method is disclosed for training a steady-state model, the model having an input and an output and a mapping layer for mapping the input to the output through a stored representation of a system. A training data set is provided...http://www.google.de/patents/US20060224534?utm_source=gb-gplus-sharePatent US20060224534 - Method and apparatus for training a system model with gain constraints using a non-linear programming optimizer