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Python | sympy.eye() method

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  • Last Updated : 29 Jun, 2019
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With the help of sympy.eye() method, we can find the identity matrix by using sympy.eye() method.

Syntax : sympy.eye()
Return : Return an identity matrix.

Example #1 :
In this example, we can see that by using sympy.eye() method, we are able to find identity matrix having dimension nxn, where n will be pass as a parameter.




# import sympy
from sympy import *
  
# Use sympy.eye() method
mat = eye(3)
   
print(mat)

Output :

Matrix([
[1, 0, 0],
[0, 1, 0],
[0, 0, 1]])

Example #2 :




# import sympy
from sympy import *
  
# Use sympy.eye() method
mat = eye(5)
   
print(mat)

Output :

Matrix([
[1, 0, 0, 0, 0],
[0, 1, 0, 0, 0],
[0, 0, 1, 0, 0],
[0, 0, 0, 1, 0],
[0, 0, 0, 0, 1]])

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