Ruby | Matrix symmetric?() function

The symmetric?() is an inbuilt method in Ruby returns a boolean value. It returns true if the matrix is symmetric, else it returns false. It throws an error if anything other than a square matrix is checked for.

Syntax: mat1.symmetric?()

Parameters: The function needs a matrix whose symmetric is to be checked for.



Return Value: It returns true if the matrix is symmetric, else it returns false.

Example 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

# Ruby program for symmetric?() method in Matrix
   
# Include matrix 
require "matrix"
   
# Initialize a matrix 
mat1 = Matrix[[1, 21], [31, 18]]  
   
# Prints the value of mat1.symmetric?()
puts  mat1.symmetric?()

chevron_right


Output:

true

Example 2:

filter_none

edit
close

play_arrow

link
brightness_4
code

# Ruby program for symmetric?() method in Matrix
   
# Include matrix 
require "matrix"
   
# Initialize a matrix 
mat1 = Matrix[[1, 1, 5], [1, 1, 5], [1, 2, 5]]  
   
# Prints the value of mat1.symmetric?()
puts  mat1.symmetric?()

chevron_right


Output:

false



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.


Article Tags :

Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.