A method of controlling the operation of a dishwasher having a tub defining a wash chamber and at least one dish rack located within the wash chamber. Exemplary used for the compositions and methods are for ethanol production. The filter medium includes metal fibers. After execution of the first step, intermediate functions are calculated based on the result. The primary and secondary engagement elements or portions thereof, exhibit mirror symmetry about primary and secondary engagement planes. In a decoder, weighted forward aliasing cancellation parameters are received and inverse weighted to produce a FAC synthesis.