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Answered 11 months ago
Hi, I am working with a large autocorrelation vector (size 1.023e6 ). It is well known that the autocorrelation matrix can be fo...
Asked 1 year ago
>> syms x
Which is correct if you consider you are worki...
Answered 2 years ago
If you have a .wav audio named filename you can do
[y, Fs] = wavread(filename)
Where Fs is the sampling frecuency and y yo...
Use figure command
I think there is nothing wrong with your code. If I do
the answer is
Hi, when I execute the following code in Matlab
syms x y;
I get the following result
Asked 2 years ago
Hi, I have the same problem with large 20x20 symbolic jacobian and I can´t figure out how to use Matlabfunction to solve my prob...
2 years ago
I have to substitute values in a matrix with 20 variables. I substitute variable after variable using a for loop, but in some ca...
Hi,I am working with a program which is consuming a huge amount of RAM memory, and I would like to know if it is possible to fre...
Your question is perhaps too generic, however to find frequency components of a signal in Matlab the FFT command is braodly used...
From your code and the file uploded I can see ypur sampling frequency is 1000 Hz and you are trying to represent frequencies up ...
A=[ 2 1 3;
4 2 5;
1 1 6]
If you want to filter a signal in the frequency domain you just need to multiply your signals' frequency response (y in your cod...
The way signals are generated here http://www.mathworks.es/es/help/matlab/ref/fft.html is what you are looking for.The only para...
Answered 12 months ago
There are many methods to do, the autocorrelation approach is easy and quite effective. You can calcute your signal's autocorre...
Some ideas here
disp('a must be bigger than zero');
disp('a must ...
If you can apply xlsread(as I infere from your tags) to put your raw data into a matlab vector all you need can be found in this...
Why can't you apply the Hamming window in the time domain, and then compute the FFT of the resultant signal?
On the other ha...
Answered 1 year ago
The problem comes in
From your code
so when you do
Basically the wavelet transform is similar to the STFT(Short time Fourier Transform), because it links the frecuency of a signal...
I think you are trying to do something like this
>> for i=1:10
The first step is to design a filter to obtain the A and B vector coefficients.Then use the Butter function, for instance to obt...
Is this what you mean?
>> R = 0.173*(E.^3/2)*A.^1/3
Columns 1 through 9
When you execute this code in Matlab
>> syms x;
I am not sure, but theoretically ,if you have acceleration, and you want to get displacement, you have to integrate to get veloc...
I am not sure I am understanding your question very well, but it seems you have a sample every 0.00274 units of time. You have t...
Remove the nth column from input matrix A and return the resulting matrix in output B.
A = [1 2 3; 4 5 6];
12 months ago
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN.
Given the input n, return true if n is odd or false if n is even.
1 year ago
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