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Formiranje višedimenzinonih nizova (2)<br />
• upotrebom funkcija: ones, zeros,<br />
randn, ...<br />
• umnožavanjem repmat osnovne<br />
matrice<br />
• upotrebom cat funkcije<br />
B = cat(dim,<strong>A1</strong>,A2,...)<br />
– spaja listu nizova duž dimenzije<br />
dim<br />
– jediniĉne dimenzije se automatski<br />
umeću<br />
» B = cat(4,[2 8; 0 5],[1 3; 7 9])<br />
B(:,:,1,1) =<br />
2 8<br />
0 5<br />
B(:,:,1,2) =<br />
1 3<br />
7 9<br />
» B = randn(1,1,2)<br />
B(:,:,1) =<br />
-0.6918<br />
B(:,:,2) =<br />
0.8580<br />
» B = repmat([1 0],[3 4 2])<br />
B(:,:,1) =<br />
1 0 1 0 1 0 1 0<br />
1 0 1 0 1 0 1 0<br />
1 0 1 0 1 0 1 0<br />
B(:,:,2) =<br />
1 0 1 0 1 0 1 0<br />
1 0 1 0 1 0 1 0<br />
1 0 1 0 1 0 1 0