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20 строки
759 B
Plaintext
20 строки
759 B
Plaintext
https://machinelearningmastery.com/gentle-introduction-n-dimensional-arrays-python-numpy/
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https://docs.scipy.org/doc/numpy-1.13.0/user/quickstart.html
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http://www.scipy-lectures.org/intro/numpy/operations.html
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https://www.tutorialspoint.com/numpy/numpy_indexing_and_slicing.htm
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https://docs.scipy.org/doc/numpy-1.13.0/reference/arrays.indexing.html
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http://www.scipy-lectures.org/intro/numpy/array_object.html
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a[from-idx:to-idx]
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a[from-idx:]
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a[:to-idx]
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a = np.arange(15) -> [0, 1, ..., 14]
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a[2:13] - trim first and last 2 items
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https://pythonworld.ru/numpy/1.html
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a=[2, 4, 7, 10]
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for p in [0, 25, 33, 50, 66, 75, 100]:
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print numpy.percentile(a, p, interpolation='linear')
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a = np.random.randn(10, 5)
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10 vectors, 5 elements each
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