view diags.m @ 951:a6c5e73ff44e

Better errors in Map()
author Jonatan Werpers <jonatan@werpers.com>
date Fri, 07 Dec 2018 16:10:58 +0100
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