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I'm trying to get my head around the amazing list processing abilities of python (And eventuall… Read more Making This C Array Processing Code More Python (and Even Numpy)

The expit function, in scipy.special, is a vectorized sigmoid function. It computes 1 / (1+e^(-x)),… Read more Numpy.vectorize: Why So Slow?

Data: theta is a vector of N angles. Question: How to create a vector of N 2D rotation matrix from … Read more How To Vectorize The Creation Of N Rotation Matrix From A Vector Of Angles?

In Python I need to find the pairwise correlation between all features in a matrix A and all featur… Read more Efficient Pairwise Correlation For Two Matrices Of Features

Is there a way to vectorize a function so that the output would be an array of means where each mea… Read more Vectorize Numpy Mean Across The Slices Of An Array

My input is a numpy array of tuples values = np.array([(4, 5, 2, 18), (4, 7, 3, 8)]) and my funct… Read more Numpy Vectorize() Is Flattening The Whole Array

I recently asked a question which was answered - How do I add conditionally to a selection of cell… Read more Vectorized Solution To Conditional Dataframe Selection

In a dataframe, I would like to count how many of the prices from the previous 10 days are greater … Read more Comparing Single Dataframe Value To Previous 10 In Same Column