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rempet
An alternative approach is to use left-multiply to achieve row manipulation. In your case, if you want to move your first row to...

15年弱前 | 0

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ismember input - strings vs numbers
Hi Matthieu, I think |ismember(A,B)| requires |A| and |B| to be the same data type. One possible solution is to use |num2str|...

15年弱前 | 0

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ismember input - strings vs numbers
Hi Matthieu, Are the criterion pre-defined? If so, how about concatenating them with logical operator, e.g., ismember((...

15年弱前 | 0

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How can i import a signal in simulink
Hi Nima, There is a From Workspace block that you can use to import the signal from work space to Simulink, see http://www...

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How to design a digital IIR to match the frequency resp of a measured analog filter
Hi Alfredo, If you have access to Signal Processing Toolbox, you could try to use one of |fdesign.arbmag|. You an also try |f...

15年弱前 | 0

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find peaks
Hi Mohammad, Can you explain why you cannot use |findpeaks|? I think you can specify MinPeakHeight to avoid false alarm from ...

15年弱前 | 1

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How to add the new delayed signal to the PLOT !
Hi Susan, Let's say I have two signals |x| and |y|. To make it simple, let's say x = [1 1 1 1 1 ] so if |y| is the sa...

15年弱前 | 1

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How to add the new delayed signal to the PLOT !
Hi Susan, |X+delay| does not delay the signal, it merely adds an offset of |delay|'s value to X. To delay a signal, you need ...

15年弱前 | 1

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how to plot geometric figures?
You can just give the coordinates for each vertex, e.g., for square plot([0 1 1 0 0],[0 0 1 1 0]) If you don't want the ...

15年弱前 | 0

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FINDING DETERMINANT OF MATRIX AFTER TAKING COVARIANCE
As Oleg mentioned, I think this is a precision thing. I'm curious what is the original number you put in as |x|. Based on the nu...

15年弱前 | 0

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autocorrelate rows of matrix without using a for loop
You can use |FFT| if your data is large, e.g., ffta = fft(a,NFFT,2); b = fftshift(ifft(ffta.*conj(ffta),[],2),2) Choose yo...

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Median Frequency
If I understand correctly, you want to find the frequency below which you have 50 percent of the signal power. If that's the cas...

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Fourier transform of text data
You need to first load data into MATLAB and then perform FFT. Assume that each column is a different data set, you can do someth...

15年弱前 | 0

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Converting FIR Filter Coefficients to Floating data type
Hi Vivek, You can either create a dfilt object using these coefficients and then change the Arithmetic property, see doc...

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Chebyshev Type I low pass filter design
Hi Mehrdad, Like you mentioned, you need to know the passband ripple. You may be able to treat your cutoff frequency as the p...

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ifft returns a complex signal from a real fft spectrum; i desire a real signal
Hi Jeff, There is no guarantee that the real spectrum will generate a real signal. Between time domain and frequency domain, if...

15年弱前 | 1

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implementation filter gaussian in matlab...
Hi Megah, The following function should be helpful >> doc gaussfir >> doc filter HTH

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how to design a fir filter by the frequency response curve.
This is basically a frequency response synthesis problem. If you have Signal Processing Toolbox, take a look at the following do...

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Sinewave analysis in LPF
You can do that too, since firpm gives an FIR filter.

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3D spherical histogram
Hi Abhinendra, You can convert it to rectangular coordinate and then do the surface plot. You just need to make sure that you...

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Sinewave analysis in LPF
Hi Venkatesh, I don't quite understand your question. Since you already used firpmord and firpm, then you already have the or...

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amplitude of FFT output high compared to input
Hi rekh, You may find the following tech note useful: http://www.mathworks.com/support/tech-notes/1700/1702.html HTH

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fdesign and design list of available arguments
Hi Neal, Using your example, you can find the relevant design methods by invoking following command in the command window ...

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Need some help setting up a function for elementary data filtering
You can use logical index to do this. For example, to achieve the first task, you can do something like x = ones(5,4); x...

約15年前 | 0

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Modeling and simulating a signal with an autoregressive model
Hi Walid, If you know parameter a1,a2,..,ap, I think the simplest way to simulate an AR process is 1. Create an IIR filter...

約15年前 | 0

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Finding a string in a file
Hi osminbas, You could write a script to achieve this. You can use |cd| to change directories, |what| to list all the files i...

約15年前 | 1

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Blackman FIR bandpass filter design
Hi olga, There is a subtle difference between the specification of an IIR filter and an FIR filter. Because you are designing a...

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number^matrix plz help me on this, I cant understand this, plz help me
Hi ailya, As Teja mentioned above, the key thing to understand is a^x can be expanded using Taylor series. The second piece t...

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How to navigate between directories during program execution?
Hi Yashar, The following command may be of your interest doc run doc fullfile HTH

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Code to Set the Number of Spectral Lines of an FFT(Freq Resolution)
Hi Anshul, I think there are two things you need to consider: 1. To get the perfect spectral line for your 60 Hz signal, y...

約15年前 | 0