barycentric


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barycentric

(mathematics)
Centre of gravity, mean.
References in periodicals archive ?
A useful way to express the Hermite interpolation polynomials are the so-called barycentric formulas.
The 'original' barycentric value of 1/a indicates that it is not a new comet from the Oort Cloud.
The age-related differences seen in these barycentric plots primarily reflect the poorer processing of difficult consonants by the ONH subjects.
Topologically, [absolute value of [DELTA] (P)] is the barycentric subdivision of [absolute value of P].
Berrut and Trefethen [6] modified the Lagrange polynomial through the formula of barycentric interpolation and proposed an improved Lagrange formula.
We call [alpha](v) the v-th barycentric coordinate of [alpha] and pv([alpha]) = [alpha](v) : [absolute value of K] [right arrow] [0, 1] is the corresponding v-th barycentric projection.
The three resulting triangle-count-fractions look like barycentric coordinates in that they sum to 1 and are all between 0 and 1.
The arctic boundary is shown in Figure 7 after the change to barycentric coordinates [alpha] = a/(1 - a - b), [beta] = b/(1 - a - b).
n] (x), one can easily adopt the barycentric algorithm for the Lagrange interpolation [5,16] in order to evaluate the Hermite or Lagrange interpolating polynomials with knots equal to the zeros [x.
Is there an associated Stanley-Reisner ring for the barycentric subdivision of a stratified space, and if so, what is the right version of the Cohen-Macaulay property [28]?
Once the coefficient vectors a and b have been determined, there are two good methods for evaluating r(z) = p(z)/q(z): direct use of the coefficients, or barycentric interpolation.
BERRUT, The barycentric weights of rational interpolation with prescribed poles, J.