TOMS866 / IFISS Files for the Convection-Diffusion Equation
is a directory of MATLAB M-files which are specifically for the
solution of the diffusion equation, also known as the Poisson equation.
Department of Computer Science,
University of Maryland,
College Park, Maryland 20742,
Department of Mathematics,
University of Strathclyde,
26 Richmond Street,
Glasgow G1 1XH,
School of Mathematics,
University of Manchester,
Manchester M60 1QD,
The computer code and data files described and made available on this web page
are distributed under
the GNU LGPL license.
evaluates derivatives of bilinear shape functions.
postprocesses local Poisson error estimator.
computes local Poisson error estimator for Q1 solution.
computes Q1 element residual error estimator.
solve Poisson problem in L-shaped domain.
vectorized bilinear coefficient matrix generator.
vectorized biquadratic coefficient matrix generator.
evaluates source term at Gauss point.
diffusion problem interactive help.
evaluates derivatives of linear shape functions.
imposes Dirichlet BC for Poisson error estimator.
evaluates linear shape functions.
imposes Dirichlet boundary condition.
computes flux jumps for rectangular Q1 grid.
computes interior residuals for rectangular Q1 grid.
evaluates derivatives of biquadratic shape functions.
evaluates biquadratic shape functions.
solve Poisson problem in quadrilateral domain.
evaluates bilinear shape functions.
(current) problem boundary condition.
(current) problem forcing function.
solve Poisson problem in unit square domain.
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Last modified on 16 September 2009.