Ruby | Matrix diagonal() function

The diagonal is an inbuilt method in Ruby returns a matrix with diagonal elements as the given values.

Syntax: mat1.diagonal(val1, val2, val3 …)

Parameters: The function accepts the values which are to be placed in the diagonal of the matrix.



Return Value: It returns matrix with values val1, val2, val3, and others placed in diagonals.

Example 1:

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# Ruby program for diagonal() method in Matrix
   
# Include matrix 
require "matrix"
   
# Initialize a matrix
# using diagonal method 
mat1 = Matrix.diagonal(1, 6, 9)
   
# Print the matrix
puts mat1

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Output:

Matrix[[1, 0, 0], [0, 6, 0], [0, 0, 9]]

Example 2:

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# Ruby program for diagonal() method in Matrix
   
# Include matrix 
require "matrix"
   
# Initialize a matrix
# using diagonal method 
mat1 = Matrix.diagonal(2, 7)
   
# Print the matrix
puts mat1

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Output:

Matrix[[2, 0], [0, 7]]


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