NumPy: Fast Numerical Computing

Broadcasting & Aggregation

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Broadcasting — The Three Rules

Opening your lesson…

Opening your space…

IN THIS LESSON

YOU’RE LEARNING TO

↗predict the output shape of a NumPy broadcasting operation by applying the three broadcasting rules

↗reduce an array along a specified axis using sum, mean, std, min, and max

↗use argmin and argmax to find the index of extreme values

↗compute cumulative sums with cumsum

↗apply np.where() for conditional element selection