Test

Published configurations

Helpers for constructing numerical tests.

\[ A(u)w \approx -\frac{b(u+\epsilon w)-b(u-\epsilon w)}{2\epsilon}. \]

FDProbe compares assembled tangents with finite differences and returns error diagnostics in FDProbeReport. ExpectedResultTable organizes known input-output cases, and random generators supply test samples. These helpers support numerical regression tests for constitutive laws, geometry, and variational operators.

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