Example: Program to Find Normal and Trace of a Matrix in Python using For loop

C
C++
C#
Java
Python
PHP

# Program to Find Normal and Trace of a Matrix in Python using For loop
import math
# to use the math.sqrt function

i, j, n, sum, sum1, a, normal, x = 0, 0, 0, 0, 0, 0, 0, []

print ("Enter the number of rows[columns] of the matrix::")
n = int (input ())

print ("\n----Enter the ", n * n, " elements of the first matrix----\n")

for i in range (n):
    x.append([])
    for j in range (n):
        x[i].append(int (input ()))
        a = x[i][j] * x[i][j]
        sum1 += a

normal = math.sqrt(sum1)

print ("\n\nThe normal of the given matrix is: ", normal)

for i in range (n):
    sum = sum + x[i][i]

print ("\n\nThe Trace of the given matrix is: ", sum)