Mercurial > hg > octave-nkf
annotate scripts/set/union.m @ 559:4e826edfbc56
[project @ 1994-07-25 22:18:28 by jwe]
Initial revision
| author | jwe |
|---|---|
| date | Mon, 25 Jul 1994 22:19:05 +0000 |
| parents | |
| children | 3470f1e25a79 |
| rev | line source |
|---|---|
| 559 | 1 function y = union(a,b) |
| 2 | |
| 3 # usage: union(a,b) | |
| 4 # | |
| 5 # Returns the union of sets a and b. | |
| 6 # | |
| 7 # See - create_set, intersection, complement | |
| 8 | |
| 9 if (nargin != 2) | |
| 10 error("usage: union(a,b)"); | |
| 11 endif | |
| 12 | |
| 13 if(isempty(a)) | |
| 14 y = create_set(b); | |
| 15 elseif(isempty(b)) | |
| 16 y = create_set(a); | |
| 17 else | |
| 18 [nra, nca] = size(a); | |
| 19 a = reshape(a,1,nra*nca); | |
| 20 [nrb, ncb] = size(b); | |
| 21 b = reshape(b,1,nrb*ncb); | |
| 22 y = create_set([a, b]); | |
| 23 endif | |
| 24 | |
| 25 endfunction |