1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | # 4.分割-水平方向分割
h5 = np.random.randint(0,100,size=(6,4))
h5
'''array([[13, 7, 29, 65],
[57, 50, 79, 12],
[ 9, 16, 82, 86],
[97, 62, 43, 92],
[66, 21, 78, 34],
[95, 33, 51, 63]])'''
np.hsplit(h5,2) # 将h5水平分割等分两个数组，被分割的列一定为指定分割数的倍数
'''[array([[13, 7],
[57, 50],
[ 9, 16],
[97, 62],
[66, 21],
[95, 33]]),
array([[29, 65],
[79, 12],
[82, 86],
[43, 92],
[78, 34],
[51, 63]])]'''
np.hsplit(h5,[1,3])#将h5从下标为1、3的地方水平分割
'''[array([[13],
[57],
[ 9],
[97],
[66],
[95]]),
array([[ 7, 29],
[50, 79],
[16, 82],
[62, 43],
[21, 78],
[33, 51]]),
array([[65],
[12],
[86],
[92],
[34],
[63]])]
'''
# 5 分割-纵向分割
np.vsplit(h5,3)
'''
[array([[13, 7, 29, 65],
[57, 50, 79, 12]]),
array([[ 9, 16, 82, 86],
[97, 62, 43, 92]]),
array([[66, 21, 78, 34],
[95, 33, 51, 63]])]
'''
np.vsplit(h5,[1,2])
'''
[array([[13, 7, 29, 65]]),
array([[57, 50, 79, 12]]),
array([[ 9, 16, 82, 86],
[97, 62, 43, 92],
[66, 21, 78, 34],
[95, 33, 51, 63]])]
'''
# 6 分割-自定义分割
np.split(h5,2,axis=1) #横向分割，按列分割
'''
[array([[13, 7],
[57, 50],
[ 9, 16],
[97, 62],
[66, 21],
[95, 33]]),
array([[29, 65],
[79, 12],
[82, 86],
[43, 92],
[78, 34],
[51, 63]])]
'''
np.split(h5,3,axis=0)#纵向分割，按行分割
'''
[array([[13, 7, 29, 65],
[57, 50, 79, 12]]),
array([[ 9, 16, 82, 86],
[97, 62, 43, 92]]),
array([[66, 21, 78, 34],
[95, 33, 51, 63]])]
'''
|
