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Symmetric Matrix

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Linear Algebra

Difficulty: 2 | Problem written by mesakarghm
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A square matrix is said to be symmetric matrix if the transpose of the matrix is the same as the given matrix. 

The transpose of a matrix can be obtained by changing the rows to columns and columns to rows. 

For a given n by n matrix (implemented as a multi dimensional list), check if it is symmetric or not. 

Return True if the matrix is symmetric, return False otherwise. 

 

Sample Input:
<class 'list'>
mat: [[1, 3, 5], [3, 2, 4], [5, 4, 1]]

Expected Output:
<class 'bool'>
True

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numpy has been already imported as np (import numpy as np)