Chapter 4. NumPy Basics: Arrays and Vectorized ComputationNumPy, short for Numerical Python, is the fundamental package required for high performance scientific computing... - Selection from Python for Data Analysis [Book]
The NumPy dtype class hierarchy
Two-dimensional array slicing
Compatible 2D array shapes for broadcasting over a 3D array
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The NumPy ndarray object
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Broadcasting over axis 0 with a 1D array
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