889 B
889 B
Function dot
Calculate the dot product of two vectors. The dot product of
A = [a1, a2, ..., an] and B = [b1, b2, ..., bn] is defined as:
dot(A, B) = conj(a1) * b1 + conj(a2) * b2 + ... + conj(an) * bn
Syntax
math.dot(x, y)
Parameters
| Parameter | Type | Description |
|---|---|---|
x |
Array | Matrix | First vector |
y |
Array | Matrix | Second vector |
Returns
| Type | Description |
|---|---|
| number | Returns the dot product of x and y |
Throws
| Type | Description |
|---|
Examples
math.dot([2, 4, 1], [2, 2, 3]) // returns number 15
math.multiply([2, 4, 1], [2, 2, 3]) // returns number 15