Mercurial > repos > public > sbplib

view spdiag.m @ 1134:7259b3f3e227 feature/laplace_curvilinear_test

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Make LaplaceCurvilinear work for coeff a and b that are scalar, grid functions, or function handles.
author Martin Almquist <malmquist@stanford.edu>
date Mon, 27 May 2019 16:53:32 -0700
parents e76321b89c1e
children
line wrap: on
line source

function A = spdiag(a,i)
    default_arg('i',0);

    if isrow(a)
        a = a';
    end

    n = length(a)+abs(i);
    A = spdiags(a,i,n,n);
end