matrix = [[1,2,3], [6,5,4], [7,8,9]]
matrix2 =[[7,3,3], [6,1,2], [5,6,1]]
print("matrix 1 :")
displayMatrix(matrix)
print()
print("matrix 2 :")
displayMatrix(matrix2)
print()
addMatrix(matrix,matrix2)
print()
subtractMatrix(matrix , matrix2)
print()
multiplyMatrix(matrix, matrix2)
print()
transposeMatrix(matrix)
def displayMatrix(matrix):
row = 0
while(row<len(matrix)):
column = 0
while(column<len(matrix[row])):
print(matrix[row][column]," ",end="")
column+=1
print()
row+=1
def addMatrix(matrix, matrix2):
row = 0
print("Add matrix :")
while(row<len(matrix)):
column = 0
while(column<len(matrix[row])):
print(matrix[row][column]+matrix2[row][column]," ",end="")
column+=1
print()
row+=1
def subtractMatrix(matrix , matrix2):
row = 0
print("Subtract matrix :")
while(row<len(matrix)):
column = 0
while(column<len(matrix[row])):
print(matrix[row][column]-matrix2[row][column]," ",end="")
column+=1
print()
row+=1
def multiplyMatrix(matrix1, matrix2):
if(len(matrix1[0])==len(matrix2)):#if(column number of matrix1 == row number of matrix2)
row = 0
print("Multiply matrix :")
while(row<len(matrix1)):#loop for shift row of multiplicand matrix
column = 0
while(column<len(matrix2[row])):#loop for shift column of multiplier matrix
k = 0
val = 0
while(k<len(matrix1[row])):#loop for shift column of multiplicand matrix and shift row of multiplier matrix
val += matrix1[row][k]*matrix2[k][column]#matrix_row[i]_column[k]*matrix2_row[k]_column[j]
k+=1
print(val," ",end="")
column+=1
print()
row+=100
else:
print("Can't multiply matrix")
print("Column number of multiplicand matrix not equal row number of multiplier matrix")
def transpose(matrix):
i = 0
j = 0
while i < len(matrix):
j += i
while (j < len(matrix[i])):
dataCopy = matrix[i][j]
matrix[i][j] = matrix[j][i]
matrix[j][i] = dataCopy
j+=1
print(matrix[i])
j = 0
i+=1
displayMatrix(matrix)
setup()
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