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Showing posts with the label Arrays

Convert Structured Array With Various Numeric Data Types To Regular Array

Suppose I have a NumPy structured array with various numeric datatypes. As a basic example, my_dat… Read more Convert Structured Array With Various Numeric Data Types To Regular Array

2d Argmax On A Numpy Array

Starting with a numpy array v: v = \ np.array([[0, 0, 0, 0, 0], [0, 0, 1, 0, 0], … Read more 2d Argmax On A Numpy Array

Numpy Find Indices Of Groups With Same Value

I have a numpy array of zeros and ones: y=[1,1,1,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,1,1] I want to calcu… Read more Numpy Find Indices Of Groups With Same Value

Numpy Intersect1d With Array With Matrix As Elements

I have two arrays, one of the shape (200000, 28, 28) and the other of the shape (10000, 28, 28), so… Read more Numpy Intersect1d With Array With Matrix As Elements

Remove Multiple Items From A Numy.narray Without Numpy.delete

I am using a large nump.narray (11.000x3180) to develop an active learning algorithm (Text mining).… Read more Remove Multiple Items From A Numy.narray Without Numpy.delete

How Can I Use Broadcasting With Numpy To Speed Up This Correlation Calculation?

I'm trying to take advantage of NumPy broadcasting and backend array computations to significan… Read more How Can I Use Broadcasting With Numpy To Speed Up This Correlation Calculation?

Interleave Rows Of Two Numpy Arrays In Python

I wanted to interleave the rows of two numpy arrays of the same size. I came up with this solution.… Read more Interleave Rows Of Two Numpy Arrays In Python