NumPy foundation and value operation

1, ndarray object 1. Install Numpy: on the command line, enter pip install numpy 2.ndarray object -- a core data structure around Numpy The ndarray object is an N-dimensional array. But note that ndarray is homogeneous. Homogeneity means that all elements in an N-dimensional array must belong to the same data type. PS: list s in Python are het ...

Posted by zvonko on Fri, 24 Sep 2021 22:27:37 -0700

Fundamentals of machine learning: the use of numpy

1, Numpy advantage 1. Introduction to ndarray NumPy provides an N-dimensional array type ndarray, which describes a collection of "items" of the same type. Store with ndarray: import numpy as np # Create ndarray score = np.array( [[80, 89, 86, 67, 79], [78, 97, 89, 67, 81], [90, 94, 78, 67, 74], [91, 91, 90, 67, 69], [76, 87, 75, ...

Posted by qrt123 on Mon, 20 Sep 2021 11:24:57 -0700