The boundary quotient is found by dividing the trace interpolant
minus the boundary interpolant with the boundary zerofier, so to
find the resulting degree, one should subtract the degree of the
boundary zerofier from the degree of the trace interpolant.
The boundary quotient is found by dividing the trace interpolant minus the boundary interpolant with the boundary zerofier, so to find the resulting degree, one should subtract the degree of the boundary zerofier from the degree of the trace interpolant.