Ruby | Numeric real() function Last Updated : 12 Jul, 2025 Summarize Comments Improve Suggest changes Share Like Article Like Report The real() is an inbuilt method in Ruby returns the real part of the given number. Syntax: num.real() Parameters: The function needs the number whose real part is to be returned. Return Value: It returns the real part of the complex number. Example 1: Ruby # Ruby program for real() # method in Numeric # Initialize a number num = Complex(10, 6) # Prints the real part puts num.real() Output: 10 Example 2: Ruby # Ruby program for real() # method in Numeric # Initialize a number num = Complex(18, 16) # Prints the real part puts num.real() Output: 18 Comment More infoAdvertise with us Next Article Ruby | Numeric phase() function G gopaldave Follow Improve Article Tags : Ruby Ruby-Methods Ruby Numeric-class Similar Reads Ruby | Numeric real? function The real?() is an inbuilt method in Ruby returns a boolean value. It returns true if the number is a negative one, else it returns false. Syntax: num.real?() Parameters: The function needs a number which is to be checked for. Return Value: It returns returns a boolean value. Example 1: CPP # Ruby pr 1 min read Ruby | Numeric rect() function The rect() is an inbuilt method in Ruby returns an array which consists of a real and an imaginary number. Syntax: num.rect() Parameters: The function needs the number whose real and imaginary part is returned. Return Value: It returns an array which consists of a real and an imaginary number. Examp 1 min read Ruby | Numeric rectangular() function The rectangular() is an inbuilt method in Ruby returns an array which consists of a real and an imaginary number. Syntax: num.rectangular() Parameters: The function needs the number whose real and imaginary part is returned. Return Value: It returns an array which consists of a real and an imaginary 1 min read Ruby | Numeric phase() function The phase() is an inbuilt method in Ruby returns 0 if the value is positive, else it returns a float value pi. Syntax: num.phase() Parameters: The function needs a number which is to be checked. Return Value: It returns zero if the value is positive, else it returns a float value pi. Example 1: Ruby 1 min read Ruby | Numeric round() function The round() is an inbuilt method in Ruby returns a number rounded to a number nearest to the given number with a precision of the given number of digits after the decimal point. In case the number of digits is not given, the default value is taken to be zero. Syntax: num.round(ndigits) Parameters: T 1 min read Ruby | Matrix real() function The real() is an inbuilt method in Ruby returns a matrix with only real part in it. The other index are assigned to zero. Syntax: mat1.real() Parameters: The function does not takes any parameter. Return Value: It returns a matrix with only real part. Example 1: CPP #Ruby program for real() method i 1 min read Like