Mercurial > repos > public > sbplib

view stripeMatrixPeriodic.m @ 1134:7259b3f3e227 feature/laplace_curvilinear_test

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Make LaplaceCurvilinear work for coeff a and b that are scalar, grid functions, or function handles.
author Martin Almquist <malmquist@stanford.edu>
date Mon, 27 May 2019 16:53:32 -0700
parents bbf303c1f0cf
children
line wrap: on
line source

% Creates a periodic discretization matrix of size n x n
%  with the values of val on the diagonals diag.
%   A = stripeMatrix(val,diags,n)
function A = stripeMatrixPeriodic(val,diags,n)

    D = ones(n,1)*val;
    A = spdiagsPeriodic(D,diags);
end