Training
Any model which is not pure white-box contains some parameters that can be used to fit the model to the system it is intended to describe. If the modeling is done by a neural network, the optimization of parameters is called training. In more conventional modeling through explicitly given mathematical functions, parameters are determined by curve fitting.
Read more about this topic: Mathematical Model
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—Dorothy Corkville Briggs (20th century)
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—Susanna Moodie (1803–1885)