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알고리즘
Step1: input two matrix. Step 2: nested for loops only to iterate through each row and columns. Step 3: At each iterationshall add the corresponding elements from two matrices and shall store the result.
예시 코드
# Program to add two matrices using nested loop A=[] n=int(input("Enter N for N x N matrix : ")) #3 here #use list for storing 2D array #get the user input and store it in list (here IN : 1 to 9) print("Enter the element ::>") for i in range(n): row=[] #temporary list to store the row for j in range(n): row.append(int(input())) #add the input to row list A.append(row) #add the row to the list print(A) # [[1, 2, 3], [4, 5, 6], [7, 8, 9]] #Display the 2D array print("Display Array In Matrix Form") for i in range(n): for j in range(n): print(A[i][j], end=" ") #new line print() B=[] n=int(input("Enter N for N x N matrix : ")) #3 here #use list for storing 2D array #get the user input and store it in list (here IN : 1 to 9) print("Enter the element ::>") for i in range(n): row=[] #temporary list to store the row for j in range(n): row.append(int(input())) #add the input to row list B.append(row) #add the row to the list print(B) # [[1, 2, 3], [4, 5, 6], [7, 8, 9]] #Display the 2D array print("Display Array In Matrix Form") for i in range(n): for j in range(n): print(B[i][j], end=" ") print() #new line result = [[0,0,0], [0,0,0], [0,0,0]] # iterate through rows for i in range(n): # iterate through columns for j in range(len(A[0])): result[i][j] = A[i][j] + B[i][j] print("Resultant Matrix is ::>") for r in result: print("Resultant Matrix is ::>",r)
출력
Enter N for N x N matrix : 3 Enter the element ::> 10 10 10 20 20 20 30 30 30 [[10, 10, 10], [20, 20, 20], [30, 30, 30]] Display Array In Matrix Form 10 10 10 20 20 20 30 30 30 Enter N for N x N matrix : 3 Enter the element ::> 100 100 100 200 200 200 300 300 300 [[100, 100, 100], [200, 200, 200], [300, 300, 300]] Display Array In Matrix Form 100 100 100 200 200 200 300 300 300 Resultant Matrix is ::> [110, 110, 110] [220, 220, 220] [330, 330, 330]