view stripeMatrixPeriodic.m @ 1133:92dc0a3b5d5d feature/laplace_curvilinear_test

Generalize multiblock.evalOn() to work for a mix of function handles and grid functions
author Martin Almquist <malmquist@stanford.edu>
date Mon, 27 May 2019 16:52:28 -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