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Showing posts with the label Vectorization

Vectorization : Too Many Indices For Array

a=b=np.arange(9).reshape(3,3) i=np.arange(3) mask=a >>array([0, 1, 2]) b[np.where(mask[1])] … Read more Vectorization : Too Many Indices For Array

Interpolate Rows Simultaneously In Python

I am trying to vectorize my code and have reached a roadblock. I have : nxd array of x values [[x1… Read more Interpolate Rows Simultaneously In Python

Scikit Learn And Count Vectorizer Error

Does anyone know where this ImportError is originating from and how to fix it? I'm working from… Read more Scikit Learn And Count Vectorizer Error

Add A Index Selected Numpy Array To Another Numpy Array With Overlapping Indices

I have two numpy arrays image and warped_image and indices arrays ix,iy. I need to add image to war… Read more Add A Index Selected Numpy Array To Another Numpy Array With Overlapping Indices

Efficient Pairwise Correlation For Two Matrices Of Features

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

Iterating Without For Loop In Numpy Array

I need to do logical iteration over numpy array, which's values depend on elements of other arr… Read more Iterating Without For Loop In Numpy Array

How Do I Apply Function To Third-dimension Array Effectively With Numpy?

I want to apply arbitrary function to 3d-ndarray as element, which use (3rd-dimensional) array for … Read more How Do I Apply Function To Third-dimension Array Effectively With Numpy?

Numpy: Summing Every Element Of Numpy Array With Every Element Of Another

I'm coming to python from Matlab. In Matlab, given two vectors that are not necessarily the sam… Read more Numpy: Summing Every Element Of Numpy Array With Every Element Of Another