#Ruby program for inner_product() method in Vector
 
#Include matrix
require "matrix"
 
#Initialize the vector
    vec1
    = Vector[1, 2] vec2 = Vector[2, 1]
 
#Prints the dot product of vectors
                          puts vec1.inner_product(vec2)

4

#Ruby program for inner_product() method in Vector
 
#Include matrix
require "matrix"
 
#Initialize the vector
    vec1
    = Vector[1, 2, 3] vec2 = Vector[2, 1, 4]
 
#Prints the dot product of vectors
                             puts vec1.inner_product(vec2)

16