Mercurial > hg > camir-aes2014
annotate toolboxes/FullBNT-1.0.7/netlab3.3/histp.m @ 0:e9a9cd732c1e tip
first hg version after svn
| author | wolffd |
|---|---|
| date | Tue, 10 Feb 2015 15:05:51 +0000 |
| parents | |
| children |
| rev | line source |
|---|---|
| wolffd@0 | 1 function h = histp(x, xmin, xmax, nbins) |
| wolffd@0 | 2 %HISTP Histogram estimate of 1-dimensional probability distribution. |
| wolffd@0 | 3 % |
| wolffd@0 | 4 % Description |
| wolffd@0 | 5 % |
| wolffd@0 | 6 % HISTP(X, XMIN, XMAX, NBINS) takes a column vector X of data values |
| wolffd@0 | 7 % and generates a normalized histogram plot of the distribution. The |
| wolffd@0 | 8 % histogram has NBINS bins lying in the range XMIN to XMAX. |
| wolffd@0 | 9 % |
| wolffd@0 | 10 % H = HISTP(...) returns a vector of patch handles. |
| wolffd@0 | 11 % |
| wolffd@0 | 12 % See also |
| wolffd@0 | 13 % DEMGAUSS |
| wolffd@0 | 14 % |
| wolffd@0 | 15 |
| wolffd@0 | 16 % Copyright (c) Ian T Nabney (1996-2001) |
| wolffd@0 | 17 |
| wolffd@0 | 18 ndata = length(x); |
| wolffd@0 | 19 |
| wolffd@0 | 20 bins = linspace(xmin, xmax, nbins); |
| wolffd@0 | 21 |
| wolffd@0 | 22 binwidth = (xmax - xmin)/nbins; |
| wolffd@0 | 23 |
| wolffd@0 | 24 num = hist(x, bins); |
| wolffd@0 | 25 |
| wolffd@0 | 26 num = num/(ndata*binwidth); |
| wolffd@0 | 27 |
| wolffd@0 | 28 h = bar(bins, num, 0.6); |
| wolffd@0 | 29 |