ensemble average
nounUK /ɒnˈsɒm.bəl ˈæv.ər.ɪdʒ/
US /ɑːnˈsɑːm.bəl ˈæv.ər.ɪdʒ/
The average you get when you look at many copies of the same thing at one time.
The scientist used an ensemble average to find the typical behavior of the particles.
RELATED WORDS
OTHER MEANINGS
2. In physics, the average of a quantity over all possible states of a system weighted by their probabilities.
The ensemble average of the energy matched the time average for the system in equilibrium.
3. In machine learning, the combined prediction obtained by averaging the outputs of multiple models.
The ensemble average of the five models gave a more stable forecast.
4. A mathematical average taken over a set of identical systems rather than over time.
They computed the ensemble average across thousands of simulated configurations.