#Ruby program for rectangular() method in Matrix
  
#Include matrix
require "matrix"
  
#Initialize a matrix
    mat1
    = Matrix[[ 1, 21 ], [ 31, 18 ]]
  
#Prints two matrix with real
#and imaginary values
      puts mat1.rectangular()

Matrix[[1, 21], [31, 18]]
Matrix[[0, 0], [0, 0]]

#Ruby program for rectangular() method in Matrix
  
#Include matrix
require "matrix"
  
#Initialize a matrix
    mat1
    = Matrix[[ 1, 21 ], [ 31, 18 ], [ Complex(1, 9), 1 ]]
  
#Prints two matrix with real
#and imaginary values
      puts mat1.rectangular()

Matrix[[1, 21], [31, 18], [1, 1]]
Matrix[[0, 0], [0, 0], [9, 0]]