Ruby | Matrix singular?() function

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