Find the maximum element in a given matrix
Question
Find the maximum element in a given matrix
Solution
Sure, here is a step-by-step guide to find the maximum element in a given matrix:
-
Initialize a variable
max_valto hold the maximum value. You can initially set it to the smallest possible number or the first element of the matrix. -
Loop through the matrix. In Python, you can use a nested for loop to iterate through each row and each element in the row.
-
For each element, compare it with
max_val. If the element is greater thanmax_val, updatemax_valwith this new value. -
Continue this process until you have iterated through all the elements in the matrix.
-
After the loop ends,
max_valwill hold the maximum element in the matrix.
Here is a Python code snippet that implements the above steps:
def find_max(matrix):
max_val = float('-inf') # Step 1
for row in matrix: # Step 2
for elem in row: # Step 2
if elem > max_val: # Step 3
max_val = elem # Step 3
return max_val # Step 5
You can call this function with your matrix as the argument to find the maximum element.
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Problem StatementRaj, a budding programmer, is practicing array manipulation. He is working on a program to find the largest element in a matrix. Can you assist him in creating the code?Write a program that takes row and column size of the matrix as input and finds the largest element in it. Raj wants to know the maximum value in the matrix to better understand array operations.Input format :The first line consists of two space-separated integers r and c, representing the row and column size of the matrix.The next r lines consist of c space-separated integers, which represent the elements of the matrix.Output format :The output displays a single line containing the message "Largest element: X", where X is the largest element in the input matrix.Refer to the sample output for the formatting specifications.Code constraints :In the given scenario, the test cases fall under the following constraints:2 ≤ r, c ≤ 50 ≤ elements ≤ 100Sample test cases :Input 1 :3 39 4 5 6 7 3 2 0 8Output 1 :Largest element: 9Input 2 :5 358 79 4514 18 6714 25 10014 28 6313 24 71Output 2 :Largest element: 100Input 3 :2 415 18 38 6428 97 48 83Output 3 :Largest element: 97
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Maximum sumSend FeedbackGiven an N*N matrix. The task is to find the index of the column with the maximum sum. That is the column whose sum of elements is maximum.Input FormatNN*N matrix in comma separated form for each row.Input : 5 1, 2, 3, 4, 5 5, 3, 1, 4, 2 5, 6, 7, 8, 9 0, 6, 3, 4, 12 9, 7, 12, 4, 3Output: Column 5 has the max sum of 31.Input : 3 1, 2, 3 4, 2, 1 5, 6, 7Output: Column 3 has the max sum of 11.
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