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
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