Two formulas for the general multivariate polynomial which interpolates a regular grid on a simplex

Two formulas for the general multivariate polynomial which interpolates a regular grid on a simplex
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by Coert Olmsted PDF

Math. Comp. 47 (1986), 275-284 Request permission

Two formulas are exhibited for the multivariate Lagrange shape polynomials which interpolate a regular grid on a simplex in ${\mathbb {R}^n}$.

References

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