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Paul


Last seen: Today |  Attivo dal 2011

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reproduces the audio signal after sampling!!!
Hi Vu, I wasn't familiar with derivative sampling, or generalized sampling, until I saw your post. After a bit of reading, mayb...

26 minuti fa | 0

Domanda


How to Convert a Scalar Struct with Vector Fields to a Vector Struct with Scalar Fields?
I have a scalar struct S with each field a row vector of the same number of elements. S.x = [1 2]; S.y = [10 20]; I want crea...

circa 17 ore fa | 3 risposte | 0

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Domanda


Can hgtransform be Used with a Constant Line Object?
This code runs fine on my machine with 2022a. Generates an error here with 2024a. Didn't see anything in the release notes to su...

6 giorni fa | 0 risposte | 1

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Risposto
Plot a vector with a given angle against the y-axis
Something like this? Note that the line won't won't resize if the axes are resized. If you want something like that, you might...

6 giorni fa | 0

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reproduces the audio signal after sampling!!!
The Fourier transform of each of those impulse responses can be found as follows. See also this thread for related discussion. ...

6 giorni fa | 0

Risposto
copy subplots within same figure
Hi William, Use the subplot command as shown below to get the new axes aligned with the old. The legends need to be copyobj'd a...

7 giorni fa | 1

| accettato

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Trying to add Butterworth filter after fft to obtain only some of the original signal.
Hi Alejandro, The input to filter should be the time domain sequence to be filtered, not its Fourier transform. So I guess tha...

7 giorni fa | 0

| accettato

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How to simulate control loop with sustained oscillation
Hi banghyun jo, Describing function analysis relies on the Nyquist plot of the open-loop system, not the closed-loop system. If...

9 giorni fa | 0

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Matrix versus Scalar Input Into Functions Using Symbolic Toolbox
Hi Sam, syms x A = [2 4 ; 1 5] ; % Polynomial q(x) = x^2 + 2*x + 15 ; As was noted above by @Voss and @Ayush Anand and @Ni...

10 giorni fa | 1

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Simulating linear model, can't understand error
Hi Valeriy, Because the B matrix has one column, the input to the system is a scalar. Hence the U input to lsim should have on...

10 giorni fa | 0

| accettato

Risposto
Why does robstab fail for systems with more than two zeros?
Hi Suleyman, Generally speaking, it's best to avoid "transfer function algebra." Instead, use model construction and interconne...

11 giorni fa | 0

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How to put existing figures in one figure together?
If subplot layout is acceptable, then ... % open the fig files in two new figures f1 = openfig('fig1.fig','Invisible'); f2 = ...

12 giorni fa | 1

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block name in matlab
That looks like a Rate Transition block

12 giorni fa | 0

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The mathematical expressions resulting from two different symbolic computations are significantly different.
Case 2 can be much simplified. Were you expecting the simplified result to be returned? clear syms a b X Y c Z K M m l; X=sy...

12 giorni fa | 1

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Domanda


When Should Generalized eig() Solver be Used for Ordinary eig() Problems?
Consider the following matrix: z = sqrt(sym(2)); z1 = sqrt(sym(3)); Asym = [-z, -z^2/z1; z1, z] It has a repeated eigenvalue...

13 giorni fa | 1 risposta | 0

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How do I extract one point from a piecewise function?
Hi Allie, If M_xy and M_xz are sym objects, like so syms t M_xy = piecewise(t < 0, 0, t > 0, t); M_xz = piecewise(t < 0, 0, ...

14 giorni fa | 0

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Simulink presenting a convergence error
Setting the fixed-step solver to ode8 seems to work pretty well for the problem shown in the question with a fixed step of 0.01....

16 giorni fa | 1

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symmetric solutions of linear matrix equations
Here's an alternative using mldivide, \ that arrives at the same result for this particular problem. Is it effectively the same ...

19 giorni fa | 0

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Convolution with a time shifted box function
Hi Nghi, Why should the output of system remain at 1 for t > 2.5? For t > 2.5, the input is 0 and so we'd expect the output to...

19 giorni fa | 0

| accettato

Risposto
in DOA, ifft weighting vector
Hi 종영, Based on the very limited information provided I took an educated guess. %% array parameters c = 3e8; f = 3e8; % nomi...

19 giorni fa | 1

| accettato

Risposto
How to convert Matlab figures into subplots without having to redraw the plots again in the command window?
Use copyobj to copy the axes of interest to a new figure, then arrange with subplot figure plot(rand(3)) ax0 = gca; hnew =...

19 giorni fa | 0

| accettato

Risposto
How to correctly apply dsp.FIRFilter
The input to fir() should be a column vector. N = 40; fs = 20 * 10 ^ 9; freq = [0, 1 * 10 ^ 9, 2 * 10 ^ 9, 3 * 10 ^ 9, 5 * 10...

20 giorni fa | 0

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Filter audio file with FIR filter
Check out filter or filtfilt for starters ...

20 giorni fa | 0

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how to multiply every single element in a matrix to entire of another matrix?
Here's one option to store each result in a cell array that's the same size as x x = [100,500,900,1300,1700; 120,600,1080,...

20 giorni fa | 1

| accettato

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Set elements in center of matrix into NaN values
Not sure what diameter means in this context. But, if it can be defined in terms of row and column indices, then maybe something...

20 giorni fa | 0

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Dictionary with key-value pair of string ---> string array?
Hi cyclist, Do you mean mapping to the string array contained inside the cell? keySet = ["Jan";"Feb";"Mar"]; valueSet = {["Ne...

20 giorni fa | 1

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Risposto
how to use a variable in finite field
How about something along these lines? y = @(a) gf(3,8)*a; y(1) y(2)

20 giorni fa | 0

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Convolution using non-constant kernel?
Hi goc3, filter provides significant speedup rng(42); nr = 100000; A = rand(nr,1); B = rand(nr,1); w = 100; % window lengt...

20 giorni fa | 0

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Fourier Analysis - Magnitude spectrum and phase shift
Hi Stefan, %% Triangle wave Fourier approximation + Phase & Magnitude Spectra %% Setting Maximum Harmonic to be used (importan...

21 giorni fa | 0

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Operations and differentiation with symmatrix in MATLAB... possible bug?
Hi dominik, I'm not sure what Problem 1 is refering to. I think Problem 2 can be explained as follows: clear all n = 2; A =...

22 giorni fa | 0

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