Ruby | Vector r() function Improve Improve Like Article Like Save Share Report The r() is an inbuilt method in Ruby returns the Pythagorean distance of the vector. Syntax: vec1.r() Parameters: The function accepts no parameter Return Value: It Pythagorean distance of the vector Example 1: # Ruby program for r() method in Vector # Include matrix require "matrix" # Initialize the vector vec1 = Vector[1, 2, 3] # Prints pythogras of the vector puts vec1.r() Output: 3.7416573867739413 Example 2: # Ruby program for r() method in Vector # Include matrix require "matrix" # Initialize the vector vec1 = Vector[1, 1, 1] # Prints pythogras of the vector puts vec1.r() Output: 1.7320508075688772 Last Updated : 07 Jan, 2020 Like Article Save Article Previous Ruby | Vector inner_product() function Next Ruby | Date england() function Share your thoughts in the comments Add Your Comment Please Login to comment...