本文整理汇总了Python中numpy.lib.pad方法的典型用法代码示例。如果您正苦于以下问题：Python lib.pad方法的具体用法？Python lib.pad怎么用？Python lib.pad使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类numpy.lib的用法示例。
在下文中一共展示了lib.pad方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_zero_padding_shortcuts
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_zero_padding_shortcuts(self):
test = np.arange(120).reshape(4, 5, 6)
pad_amt = [(0, 0) for axis in test.shape]
modes = ['constant',
'edge',
'linear_ramp',
'maximum',
'mean',
'median',
'minimum',
'reflect',
'symmetric',
'wrap',
]
for mode in modes:
assert_array_equal(test, pad(test, pad_amt, mode=mode)) 示例2: test_check_mean_stat_length
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_mean_stat_length(self):
a = np.arange(100).astype('f')
a = pad(a, ((25, 20), ), 'mean', stat_length=((2, 3), ))
b = np.array(
[0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5,
0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5,
0.5, 0.5, 0.5, 0.5, 0.5,
0., 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., 88., 89.,
90., 91., 92., 93., 94., 95., 96., 97., 98., 99.,
98., 98., 98., 98., 98., 98., 98., 98., 98., 98.,
98., 98., 98., 98., 98., 98., 98., 98., 98., 98.
])
assert_array_equal(a, b) 示例3: test_check_maximum_1
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_maximum_1(self):
a = np.arange(100)
a = pad(a, (25, 20), 'maximum')
b = np.array(
[99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99,
0, 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, 88, 89,
90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99]
)
assert_array_equal(a, b) 示例4: test_check_maximum_stat_length
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_maximum_stat_length(self):
a = np.arange(100) + 1
a = pad(a, (25, 20), 'maximum', stat_length=10)
b = np.array(
[10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10,
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, 88, 89, 90,
91, 92, 93, 94, 95, 96, 97, 98, 99, 100,
100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
)
assert_array_equal(a, b) 示例5: test_check_minimum_1
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_minimum_1(self):
a = np.arange(100)
a = pad(a, (25, 20), 'minimum')
b = np.array(
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
0, 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, 88, 89,
90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
)
assert_array_equal(a, b) 示例6: test_check_minimum_2
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_minimum_2(self):
a = np.arange(100) + 2
a = pad(a, (25, 20), 'minimum')
b = np.array(
[2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2,
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, 88, 89, 90, 91,
92, 93, 94, 95, 96, 97, 98, 99, 100, 101,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2]
)
assert_array_equal(a, b) 示例7: test_check_minimum_stat_length
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_minimum_stat_length(self):
a = np.arange(100) + 1
a = pad(a, (25, 20), 'minimum', stat_length=10)
b = np.array(
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1,
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, 88, 89, 90,
91, 92, 93, 94, 95, 96, 97, 98, 99, 100,
91, 91, 91, 91, 91, 91, 91, 91, 91, 91,
91, 91, 91, 91, 91, 91, 91, 91, 91, 91]
)
assert_array_equal(a, b) 示例8: test_check_median
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_median(self):
a = np.arange(100).astype('f')
a = pad(a, (25, 20), 'median')
b = np.array(
[49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5,
49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5,
49.5, 49.5, 49.5, 49.5, 49.5,
0., 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., 88., 89.,
90., 91., 92., 93., 94., 95., 96., 97., 98., 99.,
49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5,
49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5]
)
assert_array_equal(a, b) 示例9: test_check_median_stat_length
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_median_stat_length(self):
a = np.arange(100).astype('f')
a[1] = 2.
a[97] = 96.
a = pad(a, (25, 20), 'median', stat_length=(3, 5))
b = np.array(
[ 2., 2., 2., 2., 2., 2., 2., 2., 2., 2.,
2., 2., 2., 2., 2., 2., 2., 2., 2., 2.,
2., 2., 2., 2., 2.,
0., 2., 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., 88., 89.,
90., 91., 92., 93., 94., 95., 96., 96., 98., 99.,
96., 96., 96., 96., 96., 96., 96., 96., 96., 96.,
96., 96., 96., 96., 96., 96., 96., 96., 96., 96.]
)
assert_array_equal(a, b) 示例10: test_check_mean_shape_one
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_mean_shape_one(self):
a = [[4, 5, 6]]
a = pad(a, (5, 7), 'mean', stat_length=2)
b = np.array(
[[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6],
[4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6]]
)
assert_array_equal(a, b) 示例11: test_check_mean_2
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_mean_2(self):
a = np.arange(100).astype('f')
a = pad(a, (25, 20), 'mean')
b = np.array(
[49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5,
49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5,
49.5, 49.5, 49.5, 49.5, 49.5,
0., 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., 88., 89.,
90., 91., 92., 93., 94., 95., 96., 97., 98., 99.,
49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5,
49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5, 49.5]
)
assert_array_equal(a, b) 示例12: test_check_constant_zeros
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_constant_zeros(self):
a = np.arange(100)
a = pad(a, (25, 20), 'constant')
b = np.array(
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
0, 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, 88, 89,
90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
)
assert_array_equal(a, b) 示例13: test_check_constant_float
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_constant_float(self):
# If input array is int, but constant_values are float, the dtype of
# the array to be padded is kept
arr = np.arange(30).reshape(5, 6)
test = pad(arr, (1, 2), mode='constant',
constant_values=1.1)
expected = np.array(
[[ 1, 1, 1, 1, 1, 1, 1, 1, 1],
[ 1, 0, 1, 2, 3, 4, 5, 1, 1],
[ 1, 6, 7, 8, 9, 10, 11, 1, 1],
[ 1, 12, 13, 14, 15, 16, 17, 1, 1],
[ 1, 18, 19, 20, 21, 22, 23, 1, 1],
[ 1, 24, 25, 26, 27, 28, 29, 1, 1],
[ 1, 1, 1, 1, 1, 1, 1, 1, 1],
[ 1, 1, 1, 1, 1, 1, 1, 1, 1]]
)
assert_allclose(test, expected) 示例14: test_check_constant_float2
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_constant_float2(self):
# If input array is float, and constant_values are float, the dtype of
# the array to be padded is kept - here retaining the float constants
arr = np.arange(30).reshape(5, 6)
arr_float = arr.astype(np.float64)
test = pad(arr_float, ((1, 2), (1, 2)), mode='constant',
constant_values=1.1)
expected = np.array(
[[ 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1],
[ 1.1, 0. , 1. , 2. , 3. , 4. , 5. , 1.1, 1.1],
[ 1.1, 6. , 7. , 8. , 9. , 10. , 11. , 1.1, 1.1],
[ 1.1, 12. , 13. , 14. , 15. , 16. , 17. , 1.1, 1.1],
[ 1.1, 18. , 19. , 20. , 21. , 22. , 23. , 1.1, 1.1],
[ 1.1, 24. , 25. , 26. , 27. , 28. , 29. , 1.1, 1.1],
[ 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1],
[ 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1]]
)
assert_allclose(test, expected) 示例15: test_check_constant_float3
# 需要导入模块: from numpy import lib [as 别名]
# 或者: from numpy.lib import pad [as 别名]
def test_check_constant_float3(self):
a = np.arange(100, dtype=float)
a = pad(a, (25, 20), 'constant', constant_values=(-1.1, -1.2))
b = np.array(
[-1.1, -1.1, -1.1, -1.1, -1.1, -1.1, -1.1, -1.1, -1.1, -1.1,
-1.1, -1.1, -1.1, -1.1, -1.1, -1.1, -1.1, -1.1, -1.1, -1.1,
-1.1, -1.1, -1.1, -1.1, -1.1,
0, 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, 88, 89,
90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
-1.2, -1.2, -1.2, -1.2, -1.2, -1.2, -1.2, -1.2, -1.2, -1.2,
-1.2, -1.2, -1.2, -1.2, -1.2, -1.2, -1.2, -1.2, -1.2, -1.2]
)
assert_allclose(a, b)