1function s = get_sourceGrid(src_dmn,ds,M,uniform_sgrid)
3as = src_dmn(1); bs = src_dmn(2);
5if(uniform_sgrid == 1)
6 Ns = M;
7 s_grid = linspace(as,bs,Ns);
8 s = s_grid';
9else
10 Ns = ceil((bs - as)/ds);
11 s_grid = linspace(as,bs,Ns); %s = s_grid';
12 s_idx = randperm(Ns,M);
13 s = s_grid(s_idx); s = s';
14end
16end