(Python Example for Beginners)
Write a NumPy program to calculate the Frobenius norm and the condition number of a given array.
Python Code :
import numpy as np a = np.arange(1, 10).reshape((3, 3)) print("Original array:") print(a) print("Frobenius norm and the condition number:") print(np.linalg.norm(a, 'fro')) print(np.linalg.cond(a, 'fro'))
Original array: [[1 2 3] [4 5 6] [7 8 9]] Frobenius norm and the condition number: 16.8819430161 4.56177073661e+17
Python Example – Write a NumPy program to calculate the Frobenius norm and the condition number of a given array
Two Machine Learning Fields
There are two sides to machine learning:
- Practical Machine Learning:This is about querying databases, cleaning data, writing scripts to transform data and gluing algorithm and libraries together and writing custom code to squeeze reliable answers from data to satisfy difficult and ill defined questions. It’s the mess of reality.
- Theoretical Machine Learning: This is about math and abstraction and idealized scenarios and limits and beauty and informing what is possible. It is a whole lot neater and cleaner and removed from the mess of reality.
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