#NEWLINE# def rsolve( self , v , tol = 0 ) : #NEWLINE# #INDENT# 'Evaluate w = M^-H v' #NEWLINE# if ( self . collapsed is not None ) : #NEWLINE# #INDENT# return solve ( self . collapsed . T . conj ( ) , v ) #NEWLINE# #UNINDENT# return LowRankMatrix . _solve ( v , np . conj ( tol . alpha ) , self . ds , self . cs )