energyfunction
nounUK /ˈenədʒi ˈfʌŋkʃən/
US /ˈenərdʒi ˈfʌŋkʃən/
A math rule that tells how much energy something has.
The scientist used an energy function to see how much power the toy car had.
RELATED WORDS
OTHER MEANINGS
2. In physics, a mathematical expression that describes the total energy of a system.
The energy function of the pendulum depends on its height and speed.
3. In machine learning, a function that measures how well a model fits the data.
The network learns by lowering its energy function.
4. A rule in a game or puzzle that scores how good a position is.
The chess program uses an energy function to pick the best move.