Mercurial > repos > public > sbplib
comparison +blockmatrix/zero.m @ 427:a613960a157b feature/quantumTriangles
merged with feature/beams
| author | Ylva Rydin <ylva.rydin@telia.com> |
|---|---|
| date | Thu, 26 Jan 2017 15:59:25 +0100 |
| parents | f0f4ca946068 |
| children | a5f1b0267dba |
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| 426:29944ea7674b | 427:a613960a157b |
|---|---|
| 1 % Creates a block matrix according to the division with zeros everywhere. | |
| 2 function bm = zero(div) | |
| 3 if ~blockmatrix.isDivision(div); | |
| 4 error('div is not a valid division'); | |
| 5 end | |
| 6 | |
| 7 n = div{1}; | |
| 8 m = div{2}; | |
| 9 | |
| 10 N = length(n); | |
| 11 M = length(m); | |
| 12 | |
| 13 bm = cell(N,M); | |
| 14 | |
| 15 for i = 1:N | |
| 16 for j = 1:M | |
| 17 bm{i,j} = sparse(n(i),m(j)); | |
| 18 end | |
| 19 end | |
| 20 end |