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math.NA2018★ 30 cited
Automated shape differentiation in the Unified Form Language
David A. Ham, Lawrence Mitchell, Alberto Paganini +1
We discuss automating the calculation of weak shape derivatives in the Unified Form Language (Alnæs et al., ACM Trans. Math. Softw., 2014) by introducing an appropriate additional…
astro-ph.SR2018★ 18 cited
Formal solutions for polarized radiative transfer. III. Stiffness and instability
Gioele Janett, Alberto Paganini
Efficient numerical approximation of the polarized radiative transfer equation is challenging because this system of ordinary differential equations exhibits stiff behavior, which…