On the eigenvalues of second-order pseudospectral differentiation operators
For the boundary value problem \(u''(x) = \lambda u(x)\), \(x \in (-1,1)\), \(u(-1) = u(1) = 0\) the Legendre spectral Galerkin method and the Legendre pseudo-spectral collocation method are compared.
second-order pseudospectral differentiation operators
Legendre pseudo-spectral collocation method
scientific article; zbMATH DE number 764284