Ok, thanks. On Sun, Mar 7, 2021 at 3:16 PM Sherwin, Spencer J <s.sherwin@imperial.ac.uk> wrote:
HI Dongmyung,
I guess we discussed this offline. I am just posting our discussion to the mailing list in case it is of interest to others.
Cheers, Spencer.
On 4 Feb 2021, at 19:42, Dongmyung Suh <dongmyung.suh@gmail.com> wrote:
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Dear All,
I am a user of Nektar ++, and learning its foundation with Sherwin's book, Spectral hp element method for CFD [2ed]. I have a small question, while I study the book. When the book explains the Gauss-Lobatto-Legendre formula for integration (pg.61) and differentiation (pg 68), xi are the roots of Jocobi polynomial. However, in other references ( https://en.wikipedia.org/wiki/Gaussian_quadrature), they are the roots of Legendre polynomial. Which one is right? or both are correct? Please let me be clear about that.
Thank you.
Dongmyung Suh
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