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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]]
Updated on: 25-Jan-2022
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