Skip to content
Related Articles

Related Articles

Improve Article

Ruby | Matrix [] method

  • Last Updated : 07 Jan, 2020

The []() is an inbuilt method in Ruby returns the element at the i-th row and the j-th column.

Syntax: mat1[i, j]

Parameters: The function needs the row number i and column number j whose position element is to be returned.

Return Value: It returns the element at the position mat[i][j].

Example 1:






# Ruby program for [] method in Matrix
   
# Include matrix 
require "matrix"
   
# Initialize a matrix 
mat1 = Matrix[[1, 21], [31, 18]]  
   
# Print the element at 1,1
puts  mat1[1, 1]

Output:

18

Example 2:




# Ruby program for [] method in Matrix
   
# Include matrix 
require "matrix"
   
# Initialize a matrix 
mat1 = Matrix[[89 , 12, 12], [8, 5, 23], [1, 2, 9]]  
   
# Print the element at 2,3
puts  mat1[2, 2]

Output:

9
My Personal Notes arrow_drop_up
Recommended Articles
Page :