What is NumPy and how do I get started with it?
NumPy is a powerful library for numerical computing in Python. It provides support for arrays, matrices, and many mathematical functions. To get started, you can install it using pip: pip install numpy
.
Can you show me how to create a NumPy array?
Sure! You can create a NumPy array using the np.array()
function. For example:
import numpy as np
arr = np.array([1, 2, 3, 4])
print(arr)
What are some common operations I can perform on NumPy arrays?
You can perform various operations like addition, subtraction, multiplication, and more. For example:
arr2 = np.array([5, 6, 7, 8])
result = arr + arr2
print(result)
How do I access elements in a NumPy array?
You can access elements using indexing. For example, arr[0]
will give you the first element of the array.
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