dot
dot(A, B)
A * B
Calculate the dot product of two vectors. The dot product of A = [a1, a2, a3, ..., an] and B = [b1, b2, b3, ..., bn] is defined as dot(A, B) = a1 * b1 + a2 * b2 + a3 * b3 + ... + an * bn
Try it yourself:
| $1 | dot([2, 4, 1], [2, 2, 3])
| |
| $2 | [2, 4, 1] * [2, 2, 3]
|