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view stripeMatrixPeriodic.m @ 1199:dfb1b84b63f4 feature/joingrids

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Add multiblock.joinGrids, which joins several multiblock grids into one.
author Martin Almquist <malmquist@stanford.edu>
date Sat, 17 Aug 2019 16:20:07 -0700
parents bbf303c1f0cf
children
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% 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