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Technical discussion about Matlab and issues related to Digital Signal Processing.
Using matlab to find quantile position
"Ye, Xiaoxia" - Aug 31 2010
Given a vector of observations, does matlab have a built-in function to
quickly find the quantile position of each observation?
I tried combining "fzero" and "quantile" to fi... 
cpsd [4 Articles]
Ibrahim muhammed - Aug 24 2010
Hi folks,
Can anyone help me explain why I get negative cross power spectral density
(cpsd) values? I do my calculations in matlab (cpsd) and I always get positive
values un... plot on image
Ibrahim muhammed - Aug 24 2010
Hi guys,
I'm really stuck on plotting a line on an image. Any help will be highly
appreciated!
1) data=[72 x 154] double
figure, pcolor(data), shading flat;colorbar
... cpsd
Emmanuel Katsogridakis - Aug 24 2010
Hi everyone,
I have a question as well regarding the cpsd function in matlab.
Is it true that the power spectra it returns are not scaled?
Thanks for your time,
... Re: plot on image
Ibrahim muhammed - Aug 24 2010
I got it!
hold on, plot (I,'r'), Done!
Ibra
________________________________
From: Ibrahim muhammed
To: matlab yahoogroups
Sent: Sun, August 22, 2010 3:28:01 PM
... Average Contrast in DoG image
twinklingstars88 - Aug 18 2010
Hi All
I'm doing a project on region of interest detection.
I need to find the average contrast given the maxima and minima of the difference-of-Gaussian images are detected ... covariance matrices with cov() [3 Articles]
Juan Vesa - Aug 18 2010
hi,
i'm trying to verify some other code i've written in c for
calculating the covariance of 2 nxm matrices (n points in m
dimensions (i.e. 3)) using matlabs cov() command,
... data-aided SNR estimate of a complex signal in MATLAB
wcco...@ncsu.edu - Aug 18 2010
I'm working on processing, in MATLAB, some data that I've taken with a communication device we've built. Previously we've done communication with an on-off-keying signal (OOK with ... how to remove zeros at last [1 Attachment] [2 Articles]
arul dsp - Aug 17 2010
Hi all
How to remove how to remove zeros at last
See the pic attached
Regards
Arul
... RE: how to remove zeros at last
Syed Meeran - Aug 17 2010
Hi Arul,
Try out the following
y = fixdec(X,N) where X is the element to be truncated and N is the no of
decimal points.
but why are you using double for the variables tr...