Ruby | Matrix I() function
Last Updated :
07 Jan, 2020
The I() is an inbuilt method in Ruby returns a Identity matrix of N X N size.
Syntax: mat1.I(N)
Parameters: The function accepts a mandatory parameter N which is the size of the Identity matrix.
Return Value: It returns the Identity matrix.
Example 1:
require "matrix"
mat1 = Matrix. I ( 2 )
puts mat1
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Output:
Matrix[[1, 0], [0, 1]]
Example 2:
require "matrix"
mat1 = Matrix. I ( 3 )
puts mat1
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Output:
Matrix[[1, 0, 0], [0, 1, 0], [0, 0, 1]]
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