dct

(/tools/hpmatlab/toolbox/signal/dct.m)

Function Synopsis

b=dct(a,n)

Help text

DCT	Discrete cosine transform.

	Y = DCT(X) returns the discrete cosine transform of X.
	The vector Y is the same size as X and contains the
	discrete cosine transform coefficients.

	Y = DCT(X,N) pads or truncates the vector X to length N 
	before transforming.

	If X is a matrix, the DCT operation is applied to each
	column.  This transform can be inverted using IDCT.

	See also: FFT,IFFT, and IDCT.

Cross-Reference Information

else           /tools/hpmatlab/toolbox/matlab/lang/else.m
end            /tools/hpmatlab/toolbox/matlab/lang/end.m
error          /tools/hpmatlab/toolbox/matlab/lang/error.m
exp            /tools/hpmatlab/toolbox/matlab/elfun/exp.m
fft            /tools/hpmatlab/toolbox/matlab/datafun/fft.m
flipud         /tools/hpmatlab/toolbox/matlab/elmat/flipud.m
if             /tools/hpmatlab/toolbox/matlab/lang/if.m
isreal         /tools/hpmatlab/toolbox/matlab/ops/isreal.m
min            /tools/hpmatlab/toolbox/matlab/datafun/min.m
nargchk        /tools/hpmatlab/toolbox/matlab/lang/nargchk.m
nargin         /tools/hpmatlab/toolbox/matlab/elmat/nargin.m
ones           /tools/hpmatlab/toolbox/matlab/elmat/ones.m
pi             /tools/hpmatlab/toolbox/matlab/elmat/pi.m
real           /tools/hpmatlab/toolbox/matlab/elfun/real.m
rem            /tools/hpmatlab/toolbox/matlab/elfun/rem.m
size           /tools/hpmatlab/toolbox/matlab/general/size.m
sqrt           /tools/hpmatlab/toolbox/matlab/elfun/sqrt.m
zeros          /tools/hpmatlab/toolbox/matlab/elmat/zeros.m