#NEWLINE# def matvec( self , v ) : #NEWLINE# #INDENT# 'Evaluate w = M v' #NEWLINE# if ( self . collapsed is not None ) : #NEWLINE# #INDENT# return np . dot ( self . collapsed , v ) #NEWLINE# #UNINDENT# return LowRankMatrix . _matvec ( v , self . alpha , self . cs , self . ds )