What are some practical examples of using NumPy?
NumPy is great for numerical computations. For example, you can use it to create arrays, perform matrix operations, and more.
Can you show me how to create a NumPy array?
Sure! You can create a NumPy array using np.array()
. For example: import numpy as np; arr = np.array([1, 2, 3])
.
How do I perform element-wise operations on arrays?
You can perform element-wise operations directly. For instance, if you have two arrays a
and b
, you can do c = a + b
to add them.
What about reshaping an array?
You can reshape an array using the reshape()
method. For example, arr.reshape(2, 3)
will reshape a 1D array into a 2D array with 2 rows and 3 columns.
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