Ruby | Matrix zero?() function

The zero?() is an inbuilt method in Ruby returns a boolean value. It returns true if it is a zero matrix, else it returns false. Zero matrix means that the matrix has all its elements as 0.

Syntax: mat1.zero?()

Parameters: The function needs the matrix to be checked for zero matrix.

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

Example 1:

# Ruby program for zero?() method in Matrix

# Include matrix
require "matrix"

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

# Prints if zero matrix or not
puts  mat1.zero?()

Output:

false

Example 2:

# Ruby program for zero?() method in Matrix

# Include matrix
require "matrix"

# Initialize a matrix
mat1 = Matrix[[0, 0, 0], [0, 0, 0],  [0, 0, 0]]

# Prints if zero or not
puts  mat1.zero?()

Output:

true