numpy.ma.MaskedArray.toflex() function - Python Last Updated : 05 May, 2020 Comments Improve Suggest changes Like Article Like Report numpy.ma.MaskedArray.toflex() function transforms a masked array into a flexible-type array. The flexible type array that is returned will have two fields: the _data field and the _mask field. The _data field stores the _data part of the array and the _mask field stores the _mask part of the array. Syntax : numpy.ma.MaskedArray.toflex(self) Return : [ndarray] A new flexible-type ndarray with two fields: the first element containing a value, the second element containing the corresponding mask boolean. The returned record shape matches self.shape. Code #1 : Python3 # Python program explaining # numpy.ma.MaskedArray.toflex() function # importing numpy as geek # and numpy.ma module as ma import numpy as geek import numpy.ma as ma arr = geek.ma.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]], mask =[0] + [1, 0]*4) gfg = arr.toflex() print (gfg) Output : [[(1, False) (2, True) (3, False)] [(4, True) (5, False) (6, True)] [(7, False) (8, True) (9, False)]] Code #2 : Python3 # Python program explaining # numpy.ma.MaskedArray.toflex() function # importing numpy as geek # and numpy.ma module as ma import numpy as geek import numpy.ma as ma arr = geek.ma.array([[11, 12, 13], [14, 15, 16], [17, 18, 19]], mask =[0] + [1, 1]*4) gfg = arr.toflex() print (gfg) Output : [[(11, False) (12, True) (13, True)] [(14, True) (15, True) (16, True)] [(17, True) (18, True) (19, True)]] Comment More infoAdvertise with us Next Article numpy.ma.MaskedArray.toflex() function - Python sanjoy_62 Follow Improve Article Tags : Machine Learning Python-numpy python Python Numpy-Masked Array Practice Tags : Machine Learningpython Similar Reads numpy.ma.MaskedArray.tolist() function - Python numpy.ma.MaskedArray.tolist() function return the data portion of the masked array as a hierarchical Python list. 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