Mercurial > repos > public > sbplib

view diags.m @ 1085:49c0b8c7330a feature/laplace_curvilinear_test

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Clean up Dirichlet BC code in LaplaceCurvilinearNew.
author Martin Almquist <malmquist@stanford.edu>
date Fri, 29 Mar 2019 14:24:39 -0700
parents 0b87863cb29c
children
line wrap: on
line source

function A = diags(B,d,m,n)
    assert(size(B,1) == m);

    A = repmat(B(:,1)*0, [1, n]);

    for i = 1:size(B,2)
        A(:,d(i)+ (1:m)) = A(:,d(i)+ (1:m)) + diag(B(:,i));
    end
end