comparison toolboxes/FullBNT-1.0.7/bnt/general/partition_matrix_vec_3.m @ 0:cc4b1211e677 tip

initial commit to HG from Changeset: 646 (e263d8a21543) added further path and more save "camirversion.m"
author Daniel Wolff
date Fri, 19 Aug 2016 13:07:06 +0200
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-1:000000000000 0:cc4b1211e677
1 function [A1, A2, B1, B2, C11, C12, C21, C22] = partition_matrix_vec_3(A, B, C, n1, n2, bs)
2
3 dom = myunion(n1, n2);
4 n1i = block(find_equiv_posns(n1, dom), bs(dom));
5 n2i = block(find_equiv_posns(n2, dom), bs(dom));
6
7
8 A1 = A(n1i);
9 A2 = A(n2i);
10 if isempty(B)
11 B1 = zeros(size(n1i, 2),size(B, 2));
12 B2 = zeros(size(n2i, 2),size(B, 2));
13 else
14 B1 = B(n1i, :);
15 B2 = B(n2i, :);
16 end
17
18
19 C11 = C(n1i, n1i);
20 C12 = C(n1i, n2i);
21 C21 = C(n2i, n1i);
22 C22 = C(n2i, n2i);