In the previous article, we have discussed Python Program to Find the Row with Maximum Number of 1s in Matrix

Given a matrix, the task is to find the maximum element of each row for 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 that appears in a matrix.

**Example:**

Above is the matrix which contains 5 rows and 4 columns and having elements from 1 to 20.

In this order, the dimensions of a matrix indicate the number of rows and columns.

Here as there are 5 rows and 4 columns it is called a 5*4 matrix.

**Examples:**

**Example1:**

**Input:**

Given Matrix : 1 5 6 11 5 4 9 34 5

**Output:**

The maximum element of the row { 1 } is : 6 The maximum element of the row { 2 } is : 11 The maximum element of the row { 3 } is : 34

**Example2:**

**Input:**

Given Matrix : 1 6 2 10 14 1 6 9 11

**Output:**

The maximum element of the row { 1 } is : 6 The maximum element of the row { 2 } is : 14 The maximum element of the row { 3 } is : 11

## Program to Find Maximum Element of each Row in a Matrix in Python

Below are the ways to find the maximum element of each row for the given matrix in python:

### Method #1: Using For Loop (Static Input)

**Approach:**

- Give the matrix as static input and store it in a variable.
- Calculate the number of rows of the given matrix by calculating the length of the nested list using the len() function and store it in a variable mtrxrows.
- Calculate the number of columns of the given matrix by calculating the length of the first list in the nested list using the len() function and store it in a variable mtrxcolums.
- Take a variable that stores the number of 1’s in the row and initialize it with 0.
- Loop till the given number of rows using the For loop.
- Calculate the maximum element of the row using the max() function and store it in a variable.
- Print the maximum element of the given row.
- The Exit of the Program.

**Below is the implementation:**

# Give the matrix as static input and store it in a variable. mtrx = [[1, 5, 6], [11, 5, 4], [9, 34, 5]] # Calculate the number of rows of the given matrix by # calculating the length of the nested list using the len() function # and store it in a variable mtrxrows. mtrxrows = len(mtrx) # Calculate the number of columns of the given matrix by # calculating the length of the first list in the nested list # using the len() function and store it in a variable mtrxcols. mtrxcols = len(mtrx[0]) # take a variable which stores the number of 1's in the row and initialize it with 0 maxOnes = 0 # Loop till the given number of rows using the For loop. for p in range(mtrxrows): # calculate the maximum element of the row using the max() # function and store it in a variable maxRowEle = max(mtrx[p]) # print the maximum element of the given row print('The maximum element of the row {', p+1, '} is :', maxRowEle)

**Output:**

The maximum element of the row { 1 } is : 6 The maximum element of the row { 2 } is : 11 The maximum element of the row { 3 } is : 34

### Method #2: Using For loop (User Input)

**Approach:**

- Give the number of rows of the matrix as user input using the int(input()) function and store it in a variable.
- Give the number of columns of the matrix as user input using the int(input()) function and store it in another variable.
- Take a list and initialize it with an empty value using [] or list() to say
**gvnmatrix**. - Loop till the given number of rows using the For loop
- Inside the For loop, Give all the row elements of the given Matrix as a list using the list(),map(),int(),split() functions and store it in a variable.
- Add the above row elements list to
**gvnmatrix**using the append() function. - Take a variable that stores the number of 1’s in the row and initialize it with 0.
- Loop till the given number of rows using the For loop.
- Calculate the maximum element of the row using the max() function and store it in a variable.
- Print the maximum element of the given row.
- The Exit of the Program.

**Below is the implementation:**

# Give the number of rows of the matrix as user input using the int(input()) function # and store it in a variable. mtrxrows = int(input('Enter some random number of rows of the matrix = ')) # Give the number of columns of the matrix as user input using the int(input()) function # and store it in another variable. mtrxcols = int(input('Enter some random number of columns of the matrix = ')) # Take a list and initialize it with an empty value using [] or list() to say gvnmatrix. mtrx = [] # Loop till the given number of rows using the For loop for n in range(mtrxrows): # Inside the For loop, Give all the row elements of the given Matrix as a list using # the list(),map(),int(),split() functions and store it in a variable. l = list(map(int, input( 'Enter {'+str(mtrxcols)+'} elements of row {'+str(n+1)+'} separated by spaces = ').split())) # Add the above row elements list to gvnmatrix using the append() function. mtrx.append(l) # take a variable which stores the number of 1's in the row and initialize it with 0 maxOnes = 0 # Loop till the given number of rows using the For loop. for p in range(mtrxrows): # calculate the maximum element of the row using the max() # function and store it in a variable maxRowEle = max(mtrx[p]) # print the maximum element of the given row print('The maximum element of the row {', p+1, '} is :', maxRowEle)

**Output:**

Enter some random number of rows of the matrix = 3 Enter some random number of columns of the matrix = 3 Enter {3} elements of row {1} separated by spaces = 1 6 2 Enter {3} elements of row {2} separated by spaces = 10 14 1 Enter {3} elements of row {3} separated by spaces = 6 9 11 The maximum element of the row { 1 } is : 6 The maximum element of the row { 2 } is : 14 The maximum element of the row { 3 } is : 11

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