Ruby | Matrix empty?() function
Last Updated :
07 Jan, 2020
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:
require "matrix"
mat1 = Matrix[[ 1 , 21 ], [ 31 , 18 ]]
puts mat1.empty?()
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Output:
false
Example 2:
require "matrix"
mat1 = Matrix[]
puts mat1.empty?()
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Output:
true
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