Thresholding then proceeds by initializing the vector block and coefficient indices and then computing the vector length as the square root of the sum of {HEAD ~ squares} of {TAIL ~ the vectors component values}  
of
Thresholding then proceeds by initializing the vector block and coefficient indices and then computing the vector length as the square root of the sum of { HEAD ~ squares } of { TAIL ~ the vectors component values }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH