Jump to content

Cost function

From Wikipedia, the free encyclopedia
This is an old revision of this page, as edited by Mscuthbert (talk | contribs) at 15:24, 23 November 2015 (Reverted 1 good faith edit by 116.202.38.76 using STiki). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

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.