Ruby | Matrix empty?() function

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

Syntax: mat1.empty?()

Parameters: The function does not accepts any parameter.

Return Value: It returns a boolean value.

Example 1:

# Ruby program for empty() method in Matrix

# Include matrix
require "matrix"

# Initialize a matrix
mat1 =  Matrix[[1, 21], [31, 18]]

# prints if empty or not
puts  mat1.empty?()

Output:

false

Example 2:

# Ruby program for empty() method in Matrix

# Include matrix
require "matrix"

# Initialize a matrix
mat1 =  Matrix[]

# prints if empty or not
puts  mat1.empty?()

Output:

true

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