num::curl_3d

Defined in header <pde/stencil.hpp>

void curl_3d(const scalar_field_3d &ax, const scalar_field_3d &ay,
             const scalar_field_3d &az, scalar_field_3d &bx, scalar_field_3d &by,
             scalar_field_3d &bz);

Compute \(\nabla\times A\) with central differences.