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Professional Interests: acoustic, cetaceans, sparsity, randomization, array processing

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Hi Frank, If you know what frequencies have to be isolated, and just want to determine what are their amplitudes, there are too...

20171 views

Responded 5 years ago

Hi Jasper, I use the command "notebook". http://amath.colorado.edu/computing/Matlab/OldTechDocs/notebook.pdf It needs a small ...

20083 views

fprintf is better than fwrite%% str = ('word\nnew word'); fid = fopen('skipline.txt', 'w+t','n'); fprintf(fid, str, 'char'); ...

16528 views

Responded 6 years ago

I have checked in the book "Matrix Computations" of Gene H. Gollub. Here is what I found : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%...

6437 views

I thought my search could be useful on this topic to beginners. The solution is to use Open Watcom: http://www.openwatcom.org/...

4580 views

You can use the Box-Counting m-file available on the File Exchange. It is not the lyapounov exponent but the local exponent. How...

3772 views

Sorry, It's not really a problem. I know there is different ways to stock a matrix. Compressed Row Storage Compressed Column St...

3357 views

Hi Michael, My matrices are composed of randomly spaced '1' . A good example is: mat_bin = full(spones(sprand(4410,513,0.2)));...

Hi, I am trying to compress some binary sparse matrices with the minimal amount of data. I have implemented CSR,CCS, jagged... ...

Posted 5 years ago

Hi Matsya, You could use the Atomizer to find which bases are closed to your signal. http://citeseerx.ist.psu.edu/viewdoc/summa...

3124 views

Thanks, but I do not post without typing help in the prompt a lot of time ;). I have finally found the matfile format descripti...

2831 views

Given the input n, return true if n is odd or false if n is even.

Solve this!

3 years ago

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

You have to look at the "Wavelab toolbox". They use mirror filter (pQMF) but it is what you want for your MP3/OGG-like codec.

2041 views

Yes, you're right. But I thought I could create a signal of the form for k = 1 : length(t), end where tk and fk are the coordi...

1878 views

Hello everyone, I am trying to develop a dictionnary of signals to use it in an application. To create these signals : -I dra...

Posted 6 years ago

Hi, As a beginner in embedded C, I never know if I have to optimize my code with inline. I think that the use of inline is lik...

1716 views

Hi Mike, I am not a Guru about text file, but when I read a binary file in Matlab or in C, I always check the result of fopen. ...

1631 views

I had the same problem last summer. My solution was to use a macro in Excel to separate lines with "yy" and "ca" (very simple e...

1528 views

Hi Stonerain, Maybe the solution is to "decouple" your matrix. If you break your matrix in small matices, then the spectrum of ...

1518 views

Hi Matthieu, I had the same problem last month and my solution was to get a .avi file with movie2avi and to use an encoder writ...

1300 views

Hi, You should try to repeat the shorter signal if you can consider it as a pseudo-periodic or do some symetry to avoid side ef...

1141 views

Quotient_compression = length(vector_before_compress(:))/length(vector_after_comp(:)); Compress_Ratio = 1/Quotient_com...

807 views