numpy . ma . flat notmasked _ edges()函数| Python
原文:https://www . geesforgeks . org/numpy-ma-flat notmasked _ edges-function-python/
numpy.ma.flatnotmasked_edges() 函数查找第一个和最后一个未屏蔽值的索引。
语法:num py . ma . flatnotmasked _ edges(arr)
参数: arr:【array _ like】输入一维 MaskedArray。
返回:【非数组或无】数组中第一个和最后一个非掩码值的索引。如果所有值都被屏蔽，则返回无。
代码#1 :
# Python program explaining
# numpy.ma.flatnotmasked_edges() function
# importing numpy as geek
# and numpy.ma module as ma
import numpy as geek
import numpy.ma as ma
arr = geek.ma.arange(12)
gfg = geek.ma.flatnotmasked_edges(arr)
print (gfg)
输出:
[ 0, 11]
代码#2 :
# Python program explaining
# numpy.ma.flatnotmasked_edges() function
# importing numpy as geek
# and numpy.ma module as ma
import numpy as geek
import numpy.ma as ma
arr = geek.ma.arange(12)
arr[:] = geek.ma.masked
gfg = geek.ma.flatnotmasked_edges(arr)
print (gfg)
输出:
None
