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Ruby | Vector r() function
  • Last Updated : 07 Jan, 2020

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:



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# 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()

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Output:

3.7416573867739413

Example 2:

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# 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()

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Output:

1.7320508075688772
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