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highlightc = np.zeros([N, N]) print highlightc c = len(highlightc) colour = [0.21]*c colour = np.ar… Read more Colour A Binary Matrix Matplotlib

I need an efficient way to row standardize a sparse matrix. Given W = matrix([[0, 1, 0, 1, 0, 0, 0,… Read more Efficiently Row Standardize A Matrix

I'm quite new to Python but this is strange. So, I have a matrix (a list of lists) and I pass i… Read more Variable Changes Without Being Touched

I have this: In [1]:a = sc.parallelize([a,b,c]) In [2]:a.cartesian(a).collect() Out[3]: [(a, a), (a… Read more Spark Unique Pair In Cartesian Product

I can sum the items in column zero fine. But where do I change the code to sum column 2, or 3, or … Read more Sum Matrix Columns In Python

Say I have two arrays: import numpy as np arr1 = np.array(['faucet', 'faucets', … Read more Return Similarity Matrix From Two Variable-length Arrays Of Strings (scipy Option?)