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Im creating an ipython notebook on vector calculus. (Basics, at least). On this block of code im t… Read more Python Matplotlib Quiver Wrong Orientation

Let's say that I have these 4 submatrices: print(A[0]) print(A[1]) print(A[2]) print(A[3]) [[ … Read more How To Form A Matrix From Submatrices?

i recently start learning about python, and made simple source of 2 balls in canvas which are movin… Read more How Do I Change These Two Balls Into Many Of Them?

I would like to wrap a C++ function with SWIG which accepts a vector of STL strings as an input arg… Read more Swig Wrapping C++ For Python: Translating A List Of Strings To An Stl Vector Of Stl Strings

I'm trying to understand how plt.quiver() works. My issue is as follows: I plot a simple vector… Read more Understanding Matplotlib's Quiver Plotting

I know feature hashing (hashing-trick) is used to reduce the dimensionality and handle sparsity of … Read more What Is Feature Hashing (hashing-trick)?