Mercurial > hg > octave-image
comparison inst/mean2.m @ 222:79ff7c116059
Minor changes in help text
author | hauberg |
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date | Thu, 04 Jan 2007 23:46:17 +0000 |
parents | 13c6a9bdec24 |
children | 8fe38c1c25c5 |
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221:19e7d0a052f4 | 222:79ff7c116059 |
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14 ## along with this program; if not, write to the Free Software | 14 ## along with this program; if not, write to the Free Software |
15 ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | 15 ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
16 | 16 |
17 ## -*- texinfo -*- | 17 ## -*- texinfo -*- |
18 ## @deftypefn {Function File} @var{m}= mean2 (@var{I}) | 18 ## @deftypefn {Function File} @var{m}= mean2 (@var{I}) |
19 ## returns the mean value for a 2d real type matrix. | 19 ## Returns the mean value for a 2d real type matrix. |
20 ## Uses @code{mean(I(:))} | 20 ## Uses @code{mean(I(:))} |
21 ## @seealso{std2,mean} | |
21 ## @end deftypefn | 22 ## @end deftypefn |
22 ## @seealso{std2,mean} | |
23 | 23 |
24 | 24 |
25 ## Author: Kai Habel <kai.habel@gmx.de> | 25 ## Author: Kai Habel <kai.habel@gmx.de> |
26 ## Date: 01/08/2000 | 26 ## Date: 01/08/2000 |
27 | 27 |
28 function m = mean2 (I) | 28 function m = mean2 (I) |
29 | 29 |
30 if !(nargin == 1) | 30 if !(nargin == 1) |
31 usage ("mean2(I)"); | 31 print_usage(); |
32 endif | 32 endif |
33 | 33 |
34 if !(is_matrix(I) && isreal(I)) | 34 if !(is_matrix(I) && isreal(I)) |
35 error("argument must be a real type matrix"); | 35 error("mean2: argument must be a real type matrix"); |
36 endif | 36 endif |
37 | 37 |
38 m = mean (I(:)); | 38 m = mean (I(:)); |
39 endfunction | 39 endfunction |