What are ufuncs in Python and how do I use them?
Ufuncs, or universal functions, are functions that operate on ndarrays in an element-wise fashion. They are a key feature of NumPy.
Can you give me an example of a ufunc?
Sure! A common ufunc is numpy.add
, which adds two arrays element-wise. For example, numpy.add([1, 2], [3, 4])
results in [4, 6]
.
How do ufuncs improve performance in Python?
Ufuncs are implemented in C, which allows them to execute much faster than Python loops. They also utilize vectorization.
Are there any built-in ufuncs in NumPy?
Yes, NumPy provides many built-in ufuncs like add
, subtract
, multiply
, divide
, and more for various operations.
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