Find nearest value in numpy array
Is there a numpy-thonic way, e.g. function, to find the nearest value in an array?
numpy
‘and’ (boolean) vs ‘&’ (bitwise) – Why difference in behavior with lists vs numpy arrays?
What explains the difference in behavior of boolean and bitwise operations on lists vs NumPy arrays?
How to print the full NumPy array, without truncation?
When I print a numpy array, I get a truncated representation, but I want the full array.
How to add an extra column to a NumPy array
Let’s say I have a NumPy array, a:
How to calculate rolling / moving average using python + NumPy / SciPy?
There seems to be no function that simply calculates the moving average on numpy/scipy, leading to convoluted solutions.
using an numpy array as indices of the 2nd dim of another array?
For example, I have two numpy arrays, A = np.array( [[0,1], [2,3], [4,5]]) B = np.array( [[1], [0], [1]], dtype='int') and I want to extract one element from each row of A, and that element is indexed by B, so I want the following results: C = np.array( [[1], [2], [5]]) I tried A[:, B.ravel()], … Read more
What are the differences between numpy arrays and matrices? Which one should I use?
What are the advantages and disadvantages of each?
Understanding NumPy’s einsum
I’m struggling to understand exactly how einsum works. I’ve looked at the documentation and a few examples, but it’s not seeming to stick.
Slice 2d array into smaller 2d arrays
Is there a way to slice a 2d array in numpy into smaller 2d arrays?
Fast punctuation removal with pandas
This is a self-answered post. Below I outline a common problem in the NLP domain and propose a few performant methods to solve it.