#NEWLINE# def _sample_2d_data( self ) : #NEWLINE# #INDENT# x = np . arange ( 1 , 6 ) #NEWLINE# x = np . array ( [ 0.5 , 2.0 , 3.0 , 4.0 , 5.5 ] ) #NEWLINE# y = np . arange ( 1 , 6 ) #NEWLINE# y = np . array ( [ 0.5 , 2.0 , 3.0 , 4.0 , 5.5 ] ) #NEWLINE# z = np . array ( [ [ 1 , 2 , 1 , 2 , 1 ] , [ 1 , 2 , 1 , 2 , 1 ] , [ 1 , 2 , 3 , 2 , 1 ] , [ 1 , 2 , 2 , 2 , 1 ] , [ 1 , 2 , 1 , 2 , 1 ] ] ) #NEWLINE# return ( x , self , z )