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:
require "matrix"
mat1 = Matrix[[ 1 , 21 ], [ 31 , 18 ]]
puts mat1.symmetric?()
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Output:
true
Example 2:
require "matrix"
mat1 = Matrix[[ 1 , 1 , 5 ], [ 1 , 1 , 5 ], [ 1 , 2 , 5 ]]
puts mat1.symmetric?()
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Output:
false
Last Updated :
07 Jan, 2020
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