On the coefficients of integrated expansions of ultraspherical polynomials
SIAM Journal on Numerical Analysis
Journal of Scientific Computing
The pseudospectral method for solving differential eigenvalue problems
Journal of Computational Physics
Roundoff error in computing derivatives using the Chebyshev differentiation matrix
Journal of Computational Physics
Generation of Pseudospectral Differentiation Matrices I
SIAM Journal on Numerical Analysis
Spectral methods in MatLab
A MATLAB differentiation matrix suite
ACM Transactions on Mathematical Software (TOMS)
Spectral Differencing with a Twist
SIAM Journal on Scientific Computing
Multiquadric collocation method with integralformulation for boundary layer problems
Computers & Mathematics with Applications
Journal of Computational and Applied Mathematics
Journal of Computational Physics
Spectral Chebyshev Collocation for the Poisson and Biharmonic Equations
SIAM Journal on Scientific Computing
Journal of Computational and Applied Mathematics
Optimal Gegenbauer quadrature over arbitrary integration nodes
Journal of Computational and Applied Mathematics
On the optimization of Gegenbauer operational matrix of integration
Advances in Computational Mathematics
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This paper reports a new spectral collocation method for numerically solving two-dimensional biharmonic boundary-value problems. The construction of the Chebyshev approximations is based on integration rather than conventional differentiation. This use of integration allows: (i) the imposition of the governing equation at the whole set of grid points including the boundary points and (ii) the straightforward implementation of multiple boundary conditions. The performance of the proposed method is investigated by considering several biharmonic problems of first and second kinds; more accurate results and higher convergence rates are achieved than with conventional differential methods.