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@inducer inducer commented Jun 7, 2024

Best read commit-by-commit.

@inducer inducer force-pushed the diag-mass-matrix branch 3 times, most recently from f465e46 to ad5e5ea Compare June 7, 2024 19:44
@inducer inducer marked this pull request as ready for review June 7, 2024 19:47
@inducer inducer requested a review from alexfikl June 7, 2024 19:47
@inducer inducer force-pushed the diag-mass-matrix branch 2 times, most recently from 511d2b6 to 7e3dc0b Compare June 7, 2024 20:39
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Checked the formulas for the Lobatto weights and everything looks good to me.

Left a few nitpicks, but should be good! Not sure what's with that $(n + 1)^2$ factor though..

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alexfikl commented Jun 8, 2024

For some comparison, chebfun seems to also implement the Jacobi-Gauss-Lobatto nodes
https://github.com/chebfun/chebfun/blob/db207bc9f48278ca4def15bf90591bfa44d0801d/lobpts.m

@inducer inducer force-pushed the diag-mass-matrix branch from 7e3dc0b to 99f5081 Compare June 10, 2024 20:29
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inducer commented Jun 10, 2024

For some comparison, chebfun seems to also implement the Jacobi-Gauss-Lobatto nodes

Thanks! Added that to the code, in case it becomes helpful sometime.

@inducer inducer force-pushed the diag-mass-matrix branch from 99f5081 to 40e3d9b Compare June 10, 2024 20:34
@inducer inducer enabled auto-merge (rebase) June 10, 2024 20:35
@inducer inducer merged commit 47a4300 into main Jun 10, 2024
@inducer inducer deleted the diag-mass-matrix branch June 10, 2024 20:46
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3 participants