Ruby | Matrix unitary?() function

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