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Ruby | Matrix unitary?() function

  • Last Updated : 07 Jan, 2020

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

Syntax: mat1.unitary?()

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

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

Example 1:






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

Output:

true

Example 2:




# Ruby program for unitary?() method in Matrix
   
# Include matrix 
require "matrix"
   
# Initialize a matrix 
mat1 = Matrix[[0, -6, 4], [-6, 0, 7], [4, 7, 0]]  
   
# Prints if unitary? or not 
puts  mat1.unitary?()

Output:

false
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