Question

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Problem 4 Fix a program. This program should calculate the matrix addition (C - A+B, where each element of matrix C is equal to the sum of the elements of matrices A and B that have the same indexes cij - aij + bij). However it is incomplete: the range() function arguments, index values of nested lists A, B, and C, and two list statements are missing. Can you find them and fix the program? What is the fixed program output? You can assume that all matrixes have correct dimensions of mxn. # program code starts here m, n = 3,3 #matrix dimensions A= [[1,0,0], [0, 1, 0] [0,0,1]] B = [(2,0,0) [2,0,0) [2,0,0]] C = 0 (fix the code below:) for i in range(?): for jin range(?): ? C[?][?] = A[?][?] + B[?][?] print C[?]

Answer 1

CODE:

#order of the matrix
m,n = 3,3
A = [[1,0,0],
[0,1,0],
[0,0,1]]
B = [[2,0,0],
[2,0,0],
[2,0,0]]
#matrix C
C = []
#we will add all the columns rowwise
for i in range(m):
#appending an empty list
C.append([])
#initializing that list
C[i] = [0]*3
#adding the element at i,j and storing it in C at i,j
for j in range(n):
C[i][j] = A[i][j] + B[i][j]
#printing each row at a time
print(C[i])

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CODE IMAGES AND OUTPUT:

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