pub fn degree(nvars: usize, ncoeffs: usize) -> Option<Power>Expand description
Returns the degree of a polynomial given the number of variables and coefficients.
This is the inverse of ncoeffs(). If there is no degree for which
ncoeffs(nvars, degree) == ncoeffs, this function returns None. For
example, a polynomial in two variables has one coefficient for degree zero
and three for degree one, but there is nothing in between.
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See ncoeffs() for the inverse operation and degree_ncoeffs_iter()
for an iterator that yields pairs of degrees and number of coefficients for
degree zero and up.