dot product
nounUK /ˈdɒt ˌprɒdʌkt/
US /ˈdɑːt ˌprɑːdʌkt/
A way to multiply two lists of numbers by pairing them up and adding the results.
To find the dot product of (1, 2) and (3, 4), you multiply 1×3 and 2×4, then add them to get 11.
RELATED WORDS
OTHER MEANINGS
2. In geometry, a number that tells how much two vectors point in the same direction.
The dot product of two perpendicular vectors is zero.
3. A single number produced by multiplying matching entries of two sequences and summing them.
The dot product of the rows gives a similarity score.
4. A basic operation used in machine learning to combine features with weights.
Each neuron computes a dot product of its inputs and weights.