本文整理汇总了Python中numpy.core.umath.equal方法的典型用法代码示例。如果您正苦于以下问题:Python umath.equal方法的具体用法?Python umath.equal怎么用?Python umath.equal使用的例子?那么, 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.core.umath
的用法示例。
在下文中一共展示了umath.equal方法的6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: allclose
# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import equal [as 别名]
def allclose (a, b, fill_value=1, rtol=1.e-5, atol=1.e-8):
""" Returns true if all components of a and b are equal
subject to given tolerances.
If fill_value is 1, masked values considered equal.
If fill_value is 0, masked values considered unequal.
The relative error rtol should be positive and << 1.0
The absolute error atol comes into play for those elements
of b that are very small or zero; it says how small a must be also.
"""
m = mask_or(getmask(a), getmask(b))
d1 = filled(a)
d2 = filled(b)
x = filled(array(d1, copy=0, mask=m), fill_value).astype(float)
y = filled(array(d2, copy=0, mask=m), 1).astype(float)
d = umath.less_equal(umath.absolute(x-y), atol + rtol * umath.absolute(y))
return fromnumeric.alltrue(fromnumeric.ravel(d))
示例2: allequal
# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import equal [as 别名]
def allequal (a, b, fill_value=1):
"""
True if all entries of a and b are equal, using
fill_value as a truth value where either or both are masked.
"""
m = mask_or(getmask(a), getmask(b))
if m is nomask:
x = filled(a)
y = filled(b)
d = umath.equal(x, y)
return fromnumeric.alltrue(fromnumeric.ravel(d))
elif fill_value:
x = filled(a)
y = filled(b)
d = umath.equal(x, y)
dm = array(d, mask=m, copy=0)
return fromnumeric.alltrue(fromnumeric.ravel(filled(dm, 1)))
else:
return 0
示例3: sort
# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import equal [as 别名]
def sort (x, axis = -1, fill_value=None):
"""If x does not have a mask, return a masked array formed from the
result of numeric.sort(x, axis).
Otherwise, fill x with fill_value. Sort it.
Set a mask where the result is equal to fill_value.
Note that this may have unintended consequences if the data contains the
fill value at a non-masked site.
If fill_value is not given the default fill value for x's type will be
used.
"""
if fill_value is None:
fill_value = default_fill_value (x)
d = filled(x, fill_value)
s = fromnumeric.sort(d, axis)
if getmask(x) is nomask:
return masked_array(s)
return masked_values(s, fill_value, copy=0)
示例4: mask_or
# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import equal [as 别名]
def mask_or (m1, m2):
"""Logical or of the mask candidates m1 and m2, treating nomask as false.
Result may equal m1 or m2 if the other is nomask.
"""
if m1 is nomask: return make_mask(m2)
if m2 is nomask: return make_mask(m1)
if m1 is m2 and is_mask(m1): return m1
return make_mask(umath.logical_or(m1, m2))
示例5: __eq__
# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import equal [as 别名]
def __eq__(self, other):
return equal(self, other)
示例6: masked_object
# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import equal [as 别名]
def masked_object (data, value, copy=1):
"Create array masked where exactly data equal to value"
d = filled(data, value)
dm = make_mask(umath.equal(d, value), flag=1)
return array(d, mask=dm, copy=copy, fill_value=value)