Ruby | Matrix normal? function
Last Updated :
07 Jan, 2020
The normal?() is an inbuilt method in Ruby returns a boolean value. It returns true if it is a normal matrix, else it returns false. It returns error if anything other than square matrix is used.
Syntax: mat1.normal?()
Parameters: The function needs the matrix to be checked for square or not.
Return Value: It returns true if it is a square matrix, else it returns false.
Example 1:
#Ruby program for normal ? () method in Matrix
#Include matrix
require "matrix"
#Initialize a matrix
mat1
= Matrix[[ 1, 21 ], [ 31, 18 ]]
#Prints if normal ? or not
puts mat1.normal
? ()
|
Output:
false
Example 2:
#Ruby program for normal ? () method in Matrix
#Include matrix
require "matrix"
#Initialize a matrix
mat1
= Matrix[[ 2, 1, 1 ], [ 1, 2, 1 ], [ 1, 1, 2 ]]
#Prints if normal ? or not
puts mat1.normal
? ()
|
Output:
true
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