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SpECTRE
v2025.08.19
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InvHessian(k,i,j) is \(\partial (J^{-1}){}^k_j/\partial x^i\), where \((J^{-1}){}^k_j\) is the inverse Jacobian. InvHessian is not symmetric because the Jacobians are Pfaffian. InvHessian doesn't depend on the shape of the surface.
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#include <Tags.hpp>
Public Types | |
| using | type = aliases::InvHessian< Frame > |
InvHessian(k,i,j) is \(\partial (J^{-1}){}^k_j/\partial x^i\), where \((J^{-1}){}^k_j\) is the inverse Jacobian. InvHessian is not symmetric because the Jacobians are Pfaffian. InvHessian doesn't depend on the shape of the surface.