calculating a new filter output by adding {HEAD ~ the row value} stored in {TAIL ~ memory location} 2N+1 to the filter output stored in the memory storage device and subtracting the value stored in memory location 0 
stored in
calculating a new filter output by adding { HEAD ~ the row value } stored in { TAIL ~ memory location } 2N+1 to the filter output stored in the memory storage device and subtracting the value stored in memory location 0
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH