Vector Multiplication


Dot Product

The dot product of two vectors gives a single scalar value.

Generally, given two vectors (a and b) with n dimensions, the dot product is computed as:

dot1.svg

Concretely, if a and b have three dimensions (labeled x, y, and z), the dot product can be computed as:

dot2.svg

julia> using LinearAlgebra

julia> A = [2,3,4]
3-element Vector{Int64}:
 2
 3
 4

julia> B = [5,6,7]
3-element Vector{Int64}:
 5
 6
 7

julia> # type '\cdot' and tab-complete into '⋅'
julia> A ⋅ B
56


CategoryRicottone