Abstract
The numerical solution to a problem is often expressed in terms of an approximation \(\mathrm{U(\underline{x})}\) to the true solution \(\mathrm{u(\underline{x})\mbox{ for }\underline{x}}\) in some prescribed region D.
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Wachspress, E. (2016). Patchwork Approximation in Numerical Analysis. In: Rational Bases and Generalized Barycentrics. Springer, Cham. https://doi.org/10.1007/978-3-319-21614-0_1
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