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lscm hessian and spectral#2214

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alecjacobson merged 2 commits intomainfrom
alecjacobson/lscm-spectral
Jun 28, 2023
Merged

lscm hessian and spectral#2214
alecjacobson merged 2 commits intomainfrom
alecjacobson/lscm-spectral

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This pulls out the construction of the LSCM hessian into a separate function, templates it properly, and adds a version of igl::lscm which uses eigen decomposition to support free boundary. I've changed the tutorial to use the free boundary version.

igl::eigs is not great. This PR is in preparation for a spectra module I'm working on which will have a much more robust igl::spectra::lscm .

@alecjacobson alecjacobson merged commit 598b0b1 into main Jun 28, 2023
@alecjacobson alecjacobson deleted the alecjacobson/lscm-spectral branch June 28, 2023 15:35
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