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Ruby | Matrix regular?() function

  • Last Updated : 07 Jan, 2020

The regular?() is an inbuilt method in Ruby returns a boolean value. It returns true if it is a regular matrix, else it returns false.

Syntax: mat1.regular?()

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

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

Example 1:






# Ruby program for regular?() method in Matrix
   
# Include matrix 
require "matrix"
   
# Initialize a matrix 
mat1 = Matrix[[1, 21], [31, 18]]  
   
# Prints if regular? or not 
puts  mat1.regular?()

Output:

true

Example 2:




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

Output:

false
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