Code:
import numpy as np
from scipy import linalg
dim = []
while(True):#run indefinitely
dim = [int(x) for x in input().split()]#inputs an string of
numbers, splits it into an array, and then the string is typecasted
to an array
if(len(dim) != 2 or dim[0] != dim[1]):#if no. of inputs is not 2 or
if the dimensions do not form a square matrix
print("Enter valid dimensions")
else:
break#correct dimensions, so break the loop
print("Enter values for the matrix")
matrix = []
matrix = [int(x) for x in input().split()]#inputs an string of
numbers, splits it into an array, and then the string is typecasted
to an array
if(len(matrix) != (dim[0] * dim[1])):#invalid no. of numbers
print("Invalid no. of elements for the matrix")
quit()
matrix = np.array(matrix)#converting list into a numpy array
matrix = matrix.reshape(dim[0], dim[1])#reshape numpy array to form
an array of specified shape
values, vectors = linalg.eig(matrix)#returns eigen values and eigen
vectors
print("Eigen values:")
for value in values:#values is a 1 by n array, value is a complex
number
print("%10.3e + %10.3ej"% (value.real, value.imag))#format input as
specified
print("Eigen vectors:")
for vector in vectors:#vectors is n by n array
for vect in vector:#vector is a 1 by n array, vect is a complex
number
print("%10.3e + %10.3ej"% (vect.real, vect.imag))
Image version of code:
Output:
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