{"id":20761,"date":"2021-09-22T17:36:35","date_gmt":"2021-09-22T12:06:35","guid":{"rendered":"https:\/\/python-programs.com\/?p=20761"},"modified":"2021-11-22T18:36:13","modified_gmt":"2021-11-22T13:06:13","slug":"python-program-to-sort-the-given-matrix","status":"publish","type":"post","link":"https:\/\/python-programs.com\/python-program-to-sort-the-given-matrix\/","title":{"rendered":"Python Program to Sort the Given Matrix"},"content":{"rendered":"
In the previous article, we have discussed Python Program to Find Unique Elements in a Matrix<\/a><\/p>\n Given a matrix and the task is to sort the given matrix in python.<\/p>\n What is a matrix:<\/strong><\/p>\n A matrix is a rectangular sequence of numbers divided into columns and rows. A matrix element or entry is a number that appears in a matrix.<\/p>\n Example:<\/strong><\/p>\n <\/p>\n Above is the matrix which contains 5 rows and 4 columns and having elements from 1 to 20.<\/p>\n In this order, the dimensions of a matrix indicate the number of rows and columns.<\/p>\n Here as there are 5 rows and 4 columns it is called a 5*4 matrix.<\/p>\n Examples:<\/strong><\/p>\n Example1:<\/strong><\/p>\n Input:<\/strong><\/p>\n Output:<\/strong><\/p>\n Example2:<\/strong><\/p>\n Input:<\/strong><\/p>\n Output:<\/strong><\/p>\n Below are the ways to sort the given matrix in python:<\/p>\n Approach:<\/strong><\/p>\n Output:<\/strong><\/p>\n Approach:<\/strong><\/p>\n Below is the implementation:<\/strong><\/p>\n Output:<\/strong><\/p>\n Practice Python Program Examples<\/a> to master coding skills and learn the fundamental concepts in the dynamic programming language Python.<\/p>\n In the previous article, we have discussed Python Program to Find Unique Elements in a Matrix Given a matrix and the task is to sort the given matrix in python. What is a matrix: A matrix is a rectangular sequence of numbers divided into columns and rows. A matrix element or entry is a number …<\/p>\nGiven Matrix :\r\n1 5 3\r\n9 11 2\r\n6 2 3<\/pre>\n
The given matrix after sorting: \r\n1 2 2 \r\n3 3 5 \r\n6 9 11<\/pre>\n
Given Matrix :\r\n6 2 5\r\n2 3 1\r\n4 2 0<\/pre>\n
The given matrix after sorting: \r\n0 1 2 \r\n2 2 3 \r\n4 5 6<\/pre>\n
Program to Sort the Given Matrix in Python<\/h2>\n
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Method #1: Using For Loop (Static Input)<\/h3>\n
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# Give the matrix as static input and store it in a variable.\r\nmtrx = [[1, 5, 3], [9, 11, 2], [6, 2, 3]]\r\n# Calculate the number of rows of the given matrix by\r\n# calculating the length of the nested list using the len() function\r\n# and store it in a variable mtrxrows.\r\nmtrxrows = len(mtrx)\r\n# Calculate the number of columns of the given matrix by\r\n# calculating the length of the first list in the nested list\r\n# using the len() function and store it in a variable mtrxcols.\r\nmtrxcols = len(mtrx[0])\r\n# take a list and initialize it to empty using [] or list() function\r\nmtrxlist = []\r\n# Loop till the given number of rows using the For loop.\r\nfor n in range(mtrxrows):\r\n # Inside the For loop, Iterate till the given number of columns using another\r\n # Nested For loop(Inner For loop).\r\n for m in range(mtrxcols):\r\n # add the gvnmatrix[n][m] value to the list using the append() function\r\n # where n is the iterator value of the parent For loop and m is the iterator\r\n # value of the inner For loop.\r\n mtrxlist.append(mtrx[n][m])\r\n# sort the matrix list using the sort() function\r\nmtrxlist.sort()\r\n# Take a variable to store the pointer to index of matrix list and initialize its value to 0\r\np = 0\r\nprint(\"The given matrix after sorting: \")\r\n# Loop till the given number of rows using the For loop.\r\nfor n in range(mtrxrows):\r\n # Inside the For loop, Iterate till the given number of columns using another\r\n # Nested For loop(Inner For loop).\r\n for m in range(mtrxcols):\r\n # Assign the gvnmatrix[n][m] value with the mtrxlist[p] value\r\n # where n is the iterator value of the parent For loop and m is the iterator\r\n # value of the inner For loop.\r\n mtrx[n][m] = mtrxlist[p]\r\n # print the mtrx[n][m] value\r\n print(mtrx[n][m], end=' ')\r\n # increment the pointer(p) with 1\r\n p = p+1\r\n print()<\/pre>\n
The given matrix after sorting: \r\n1 2 2 \r\n3 3 5 \r\n6 9 11<\/pre>\n
Method #2: Using For loop (User Input)<\/h3>\n
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# import the Counter Function from collections using the import keyword\r\nfrom collections import Counter\r\n# Give the number of rows of the matrix as user input using the int(input()) function\r\n# and store it in a variable.\r\nmtrxrows = int(input('Enter some random number of rows of the matrix = '))\r\n# Give the number of columns of the matrix as user input using the int(input()) function\r\n# and store it in another variable.\r\nmtrxcols = int(input('Enter some random number of columns of the matrix = '))\r\n# Take a list and initialize it with an empty value using [] or list() to say gvnmatrix.\r\nmtrx = []\r\n# Loop till the given number of rows using the For loop\r\nfor n in range(mtrxrows):\r\n # Inside the For loop, Give all the row elements of the given Matrix as a list using\r\n # the list(),map(),int(),split() functions and store it in a variable.\r\n l = list(map(int, input(\r\n 'Enter {'+str(mtrxcols)+'} elements of row {'+str(n+1)+'} separated by spaces = ').split()))\r\n # Add the above row elements list to gvnmatrix using the append() function.\r\n\r\n mtrx.append(l)\r\n \r\n\r\n# take a list and initialize it to empty using [] or list() function\r\nmtrxlist = []\r\n# Loop till the given number of rows using the For loop.\r\nfor n in range(mtrxrows):\r\n # Inside the For loop, Iterate till the given number of columns using another\r\n # Nested For loop(Inner For loop).\r\n for m in range(mtrxcols):\r\n # add the gvnmatrix[n][m] value to the list using the append() function\r\n # where n is the iterator value of the parent For loop and m is the iterator\r\n # value of the inner For loop.\r\n mtrxlist.append(mtrx[n][m])\r\n# sort the matrix list using the sort() function\r\nmtrxlist.sort()\r\n# Take a variable to store the pointer to index of matrix list and initialize its value to 0\r\np = 0\r\nprint(\"The given matrix after sorting: \")\r\n# Loop till the given number of rows using the For loop.\r\nfor n in range(mtrxrows):\r\n # Inside the For loop, Iterate till the given number of columns using another\r\n # Nested For loop(Inner For loop).\r\n for m in range(mtrxcols):\r\n # Assign the gvnmatrix[n][m] value with the mtrxlist[p] value\r\n # where n is the iterator value of the parent For loop and m is the iterator\r\n # value of the inner For loop.\r\n mtrx[n][m] = mtrxlist[p]\r\n # print the mtrx[n][m] value\r\n print(mtrx[n][m], end=' ')\r\n # increment the pointer(p) with 1\r\n p = p+1\r\n print()<\/pre>\n
Enter some random number of rows of the matrix = 3\r\nEnter some random number of columns of the matrix = 3\r\nEnter {3} elements of row {1} separated by spaces = 6 2 5\r\nEnter {3} elements of row {2} separated by spaces = 2 3 1\r\nEnter {3} elements of row {3} separated by spaces = 4 2 0\r\nThe given matrix after sorting: \r\n0 1 2 \r\n2 2 3 \r\n4 5 6<\/pre>\n
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