Ruby | Vector size() function Improve Improve Improve Like Article Like Save Article Save Share Report issue Report The size() is an inbuilt method in Ruby returns the number of elements in the vector Syntax: vec1.size() Parameters: The function accepts no parameter Return Value: It returns the number of elements in the vector Example 1: # Ruby program for size() method in Vector # Include matrix require "matrix" # Initialize the vector vec1 = Vector[1, 2, 3] # Prints the size of vector puts vec1.size() Output: 3 Example 2: # Ruby program for size() method in Vector # Include matrix require "matrix" # Initialize the vector vec1 = Vector[1, 2, 3, 4, 5] # Prints the size of vector puts vec1.size() Output: 5 Last Updated : 07 Jan, 2020 Like Article Save Article Previous Ruby | Vector inner_product() function Next Ruby | Time xmlschema function Share your thoughts in the comments Add Your Comment Please Login to comment...