зеркало из
https://github.com/iharh/notes.git
synced 2025-11-04 07:36:08 +02:00
20 строки
759 B
Plaintext
20 строки
759 B
Plaintext
https://machinelearningmastery.com/gentle-introduction-n-dimensional-arrays-python-numpy/
|
|
https://docs.scipy.org/doc/numpy-1.13.0/user/quickstart.html
|
|
http://www.scipy-lectures.org/intro/numpy/operations.html
|
|
https://www.tutorialspoint.com/numpy/numpy_indexing_and_slicing.htm
|
|
https://docs.scipy.org/doc/numpy-1.13.0/reference/arrays.indexing.html
|
|
http://www.scipy-lectures.org/intro/numpy/array_object.html
|
|
a[from-idx:to-idx]
|
|
a[from-idx:]
|
|
a[:to-idx]
|
|
a = np.arange(15) -> [0, 1, ..., 14]
|
|
a[2:13] - trim first and last 2 items
|
|
https://pythonworld.ru/numpy/1.html
|
|
|
|
a=[2, 4, 7, 10]
|
|
for p in [0, 25, 33, 50, 66, 75, 100]:
|
|
print numpy.percentile(a, p, interpolation='linear')
|
|
|
|
a = np.random.randn(10, 5)
|
|
10 vectors, 5 elements each
|