1. A memory storing a program of machine-readable instructions executable by a processor to perform operations for an equalizer computation in a read channel of a media system, the operations comprising: receiving an electrical communication of a data set separator sequence and a data set separator readback sequence, wherein the data set separator readback sequence is a function of a channel processing of the data set separator sequence by the read channel; and generating a coefficient cyclic equalizer vector as a function of the data set separator sequence and the data set separator readback sequence.