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comparison main/signal/inst/dct.m @ 2795:7a614782378d octave-forge

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author pkienzle
date Tue, 05 Dec 2006 20:45:13 +0000
parents 38e4c6572b8d
children 73fa4496fb07
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2794:dce6c88cad87 2795:7a614782378d
13 ## You should have received a copy of the GNU General Public License 13 ## You should have received a copy of the GNU General Public License
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 ## y = dct (x, n) 17 ## y = dct (x, n)
18 ## Computes the disrete cosine transform of x. If n is given, then 18 ## Computes the discrete cosine transform of x. If n is given, then
19 ## x is padded or trimmed to length n before computing the transform. 19 ## x is padded or trimmed to length n before computing the transform.
20 ## If x is a matrix, compute the transform along the columns of the 20 ## If x is a matrix, compute the transform along the columns of the
21 ## the matrix. The transform is faster if x is real-valued and even 21 ## the matrix. The transform is faster if x is real-valued and even
22 ## length. 22 ## length.
23 ## 23 ##