Mercurial > repos > public > sbplib
comparison +blockmatrix/multiply.m @ 820:501750fbbfdb
Merge with feature/grids
| author | Jonatan Werpers <jonatan@werpers.com> |
|---|---|
| date | Fri, 07 Sep 2018 14:40:58 +0200 |
| parents | 288138d9586d |
| children |
comparison
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| 819:fdf0ef9150f4 | 820:501750fbbfdb |
|---|---|
| 1 function C = multiply(A, B) | |
| 2 [n_a, m_a] = size(A); | |
| 3 [n_b, m_b] = size(B); | |
| 4 | |
| 5 assert(m_a == n_b, 'Dimensions do not agree.') | |
| 6 | |
| 7 C = cell(n_a, m_b); | |
| 8 | |
| 9 for i = 1:n_a | |
| 10 for j = 1:m_b | |
| 11 C{i,j} = sparse(size(A{i,1},1), size(B{1,j},2)); | |
| 12 for k = 1:n_b | |
| 13 C{i,j} = C{i,j} + A{i,k}*B{k,j}; | |
| 14 end | |
| 15 end | |
| 16 end | |
| 17 end |