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Hi. This is what I got: Maximum possible array: 11781 MB (1.235e+010 bytes) * Memory available for all arrays: ...

6322 views

Posted 4 years ago

Hi. I've data of the form [10000 10]. That is a 2d array of 10000 x 10. How do I create an array to store this array? This can ...

5702 views

Yes. I can get the frequency/period. Could you enlighten a bit more on the backslash?

4829 views

Responded 4 years ago

Sorry. I should be clearer in what I asked. I'm really only interested in the absolute values of the maximum and minimum of the ...

Am I right to say that FFT gives you the amplitude of the signal in frequency domain? But what I'm interested to know is, what i...

Hi. I've a signal that I captured. Visually, I can tell that it is close to a sine/cosine waveforms. and I can also tell the am...

Sorry. Please ignore my post. The files were not copied correctly. (the admin rights issues.) Now it works!

3078 views

I downloaded the patch and did a manual copy over of the bin/win64 files (the method explained in the blog wont work 'cause of t...

Hi. I'm on matlab 2010a. I've visual studio 2010 installed on my windows 7. When I run mex -setup. It shows a list of compiler,...

It looks good. But patch seems to cover the grid lines?

2918 views

Hi. Is there a way to have a background color to be alternating? e.g. along the x-axis, first 50 is green background, next 50 i...

Hi. x is my signals. I did the following - [Pxx,F] = pwelch(x); I plot using - plot(F,10*log10(Pxx)); I also tried plot(F,Pxx)...

2624 views

Hi. I tried to get the phase info as the codes above. I got the following results: "Warning: Rank deficient, rank = 1, tol = ...

2617 views

Hi. Is it possible to retrieve phase information of the signals from the spectrogram in matlab? Thank you.

I tried S = dir; sort(S.datenum,1); But it doesnt work. Is there something I'm missing? I read the document but just couldnt ge...

2443 views

Hi. How do I do a 'ls -lt' in matlab? ls -lt gives you the directory listing sorted according to timestamp of the file. But the...

Thanks. Does randperm not introduce new pixel value? meaning. does it not change my pixel's rgb value? e.g. if I dont have green...

2245 views

Hi. I've a series of images. (more like a 5 secs video) I like to randomize the pixels in the image so that the image do not re...

Thanks all. I'm after the phase of a signal. I like to find a way to measure how much the phase of a signal at any given time po...

2133 views

Responded 3 years ago

Hi. I'm not sure if this make sense. How do I get the coefficient of the FFT in matlab? Sometime ago, I read some technical doc...

Posted 3 years ago

But can you tell me how do I apply the wavelet transform over the 8-16Hz region? Regardless of whichever wavelet method I use, i...

2104 views

I've about 96 secs of signal sampled at 2048 Hz. So, that is about 196608 samples points. Is that alright to do wavelet? Using m...

Hi. I'm new to wavelet. Please pardon my basic question. I've a signal sampled at 2048 Hz. And I'm interested in 6 frequencies ...

Would you have a more specific filter that you suggest I could try? Any pointer is appreciated. Thanks.

1807 views

Responded 2 years ago

Hi. Given an image, I like to do the following a. count the number of edges in the image (say all image that are made up of 20 ...

Posted 2 years ago

Hi. I like to create a single column matrix in which the first 100 items are '1', and from 101 to 1000 items are '0', and the n...

1344 views

Thanks for the quick reply. Is there also anyway to do it using some kind of a GUI? Like able to slide across the plot to see v...

1304 views

Hi. I'm new to matlab. I've a 50 secs signal captured. I'm interested to look at the signal at the interval of 10 secs per bl...

Hi. I'm taking some of my computation out of matlab to a c++ program I wrote. One of the most critical thing is the fft in my c...

1250 views

Hi. I read the example in matlab svmclassify and svmtrain. How do I expand that example into a multiclass case? Thank you. Mar...

1221 views

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