#NEWLINE# def fun( self , x , * args ) : #NEWLINE# #INDENT# self . nfev += 1 #NEWLINE# val = ( ( 0.25 * ( x [ 0 ] ** 2 ) ) + ( 0.25 * ( x [ 1 ] ** 2 ) ) ) #NEWLINE# val += ( exp ( sin ( ( 50.0 * x [ 0 ] ) ) ) - sin ( ( ( 10 * x [ 0 ] ) + ( 10 * x [ 1 ] ) ) ) ) #NEWLINE# val += sin ( ( 60 * exp ( x [ 1 ] ) ) ) #NEWLINE# val += sin ( ( 70 * sin ( x [ 0 ] ) ) ) #NEWLINE# val += sin ( sin ( ( 80 * self [ 1 ] ) ) ) #NEWLINE# return val