Mercurial > repos > public > sbplib

view diags.m @ 816:b5e5b195da1e feature/timesteppers

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add getState to timesteppers, returning the relevant state of the timestepper - Add getState which returns the 'state' of the specialized timestepper.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Mon, 10 Sep 2018 16:19:16 +0200
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