Function dot
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
Syntax
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 |
Examples
dot([2, 4, 1], [2, 2, 3]); // returns number 15
multiply([2, 4, 1], [2, 2, 3]); // returns number 15