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Cost function: Difference between revisions

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*In mathematical optimization, the [[loss function]], a function to be minimized
*In mathematical optimization, the [[loss function]], a function to be minimized

*In [[Artificial_neural_network]]s, the function to return a number representing how well the neural network performed to map training examples to correct output.


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Revision as of 16:19, 31 October 2013

Cost function can refer to:

  • In economics, the cost curve, expressing production costs in terms of the amount produced
  • In mathematical optimization, the loss function, a function to be minimized
  • In Artificial_neural_networks, the function to return a number representing how well the neural network performed to map training examples to correct output.