Ruby | Vector size() function Last Updated : 07 Jan, 2020 Improve Improve Like Article Like Save Share 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 Like Article Suggest improvement Previous Ruby | Vector norm() function Next Ruby | Time xmlschema function Share your thoughts in the comments Add Your Comment Please Login to comment...