#NEWLINE# def xy_to_upvp( xy ) : #NEWLINE# #INDENT# "Convert xy to u'v'\n\n    Args:\n        xy ([float, float]): x, y input values\n\n    Returns:\n        .[float, float]\n\n    " #NEWLINE# ( x , y ) = xy #NEWLINE# up = ( ( 4 * x ) / ( ( ( ( - 2 ) * x ) + ( 12 * y ) ) + 3 ) ) #NEWLINE# vp = ( ( 9 * y ) / ( ( ( ( - 2 ) * x ) + ( 12 * y ) ) + 3 ) ) #NEWLINE# return [ up , vp ]