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# How to Calculate Determinant of a Matrix or ndArray?

# How to Calculate Determinant of a Matrix or ndArray?

This recipe helps you Calculate Determinant of a Matrix or ndArray

This python source code does the following: 1. Creates your own numpy array 2. Uses "linalg" function to calculate determinant

In [1]:

```
## How to Calculate Determinant of a Matrix or ndArray
def Kickstarter_Example_9():
print()
print(format('How to Calculate Determinant of a Matrix or ndArray'
, '*^72'))
# Load library
import numpy as np
# Create matrix
matrixA = np.array([[1, 2, 3, 23],
[4, 5, 6, 25],
[7, 8, 9, 28],
[10, 11, 12, 41]])
matrixB = np.array([[2, 3, 4],
[5, 6, 9],
[7, 8, 1]])
# Return determinant of matrix
print(); print(np.linalg.det(matrixA))
print(); print(np.linalg.det(matrixB))
Kickstarter_Example_9()
```

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