Transpose() function in Ruby Programming

The transpose function in Ruby is mainly used to return the transpose of an array or a matrix.

Syntax

array.transpose

Or

Matrix.transpose

Let's take a couple of examples of the transpose function on array first and then on matrices.

Example 1

Consider the code shown below

# transpose() in array # array declaration first_arr = [[18, 22], [33, 3], [8, 6]] # array declaration second_arr = [[1, 3, 2, 5, 88, 9]] # print statements puts "transpose() output : #{first_arr.transpose()}

" puts "transpose() output : #{second_arr.transpose()}

"

Output

transpose() output : [[18, 33, 8], [22, 3, 6]] transpose() output : [[1], [3], [2], [5], [88], [9]]

Example 2

# transpose() in array # array declaration first_arr = [["xyz", "nil", "cat"]] # array declaration second_arr = [["donkey", "go", "lion"]] # print statements puts "transpose() output : #{first_arr.transpose()}

" puts "transpose() output : #{second_arr.transpose()}

"

Output

transpose() output : [["xyz"], ["nil"], ["cat"]] transpose() output : [["donkey"], ["go"], ["lion"]]

Now let's explore a few examples of transpose on matrices.

Example 3

# transpose() in Matrix require "matrix" # Initializing matrix matOne = Matrix[[5, 11], [1, 9]] # Prints the transpose matrix puts matOne.transpose()

Output

Matrix[[5, 1], [11, 9]]

Example 4

# transpose() in matrix require "matrix" # Initializing matrix matOne = Matrix[[1, 2], [6, 3], [4, 2]] # Printing matrix puts matOne.transpose()

Output

Matrix[[1, 6, 4], [2, 3, 2]]