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Ruby | Matrix singular?() function
  • Last Updated : 07 Jan, 2020

The singular?() is an inbuilt method in Ruby returns a boolean value. It returns true if it is a singular matrix, else it returns false. It returns error if anything other than square matrix is used.

Syntax: mat1.singular?()

Parameters: The function needs the matrix to be checked for singular matrix or not.

Return Value: It returns true if it is a singular matrix, else it returns false.

Example 1:






# Ruby program for singular?() method in Matrix
  
# Include matrix 
require "matrix"
  
# Initialize a matrix 
mat1 = Matrix[[3, 12], [2, 8]]  
  
# Prints if singular? or not 
puts  mat1.singular?()

Output:

true

Example 2:




# Ruby program for singular?() method in Matrix
  
# Include matrix 
require "matrix"
  
# Initialize a matrix 
mat1 = Matrix[[1, 0], [0, 1]]  
  
# Prints if singular? or not 
puts  mat1.singular?()

Output:

false
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