Rubik_xie

import numpy as np from numpy import pi # creation 1 a = np.arange(24).reshape(4, 6) print(a) print(a.shape) print(a.itemsize) print(a.dtype) b = np.arange(1, 10, 2) print(b) print(b.size) print(...

import numpy as np from numpy import pi a = np.array([1, 2, 3, 4]) a += 1 print(a) b = np.arange(4, 8) a = b + a print(a) print(b**2) c = np.linspace(0, 2*pi, 5) np.set_printoptions(precision=1...

import numpy as np from numpy import pi a = np.arange(10)**3 b = a[2:5] print("b=", b) print("a[2]=", a[2]) a[:6:2] = 1000 # from start to position 6, exclusive, set every 2nd element to 1000 pri...

import numpy as np from numpy import pi a = np.arange(24).reshape(4, 6).reshape(8, 3) print(a.ravel()) print(a.ravel().reshape(2, 12)) b = a.T print(b) print(a.shape, b.shape) a.resize(4, 6) # ...