Risposto
Difficulty in Calculating Signal Frequency with an Offset
Hi Raphael, The first point in the FFT is always the sum of the elements of the input. When the signal includes the offset, the...

3 mesi fa | 0

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Risposto
I am getting different values of fft for the same variable as demonstrated by a simple example below...
I think you were expecting ES be equal to the first column of EF. If desired for fftshift to work along a specific dimension of...

3 mesi fa | 0

Risposto
Non-Negative Solution with Integrator in Simulink
Hi Rajmohan, Do the parameters Limit Output along with Upper and Lower Saturation Limit do what's needed? Integrator

3 mesi fa | 1

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Risposto
Getting different outputs from indexing and graphically.How do I verify this indexing value?..
L=10; n=1.45; Omega=1.020663297455751e+11; GAMMAb=3.590391604102621e+08; c=2.9979e8; dt=6e-12; %time increment T=1...

3 mesi fa | 0

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Risposto
I can't place the fft curve at the signal frequency exactly. There's been a slight deviation of the fft peak at that frequency
The code has fs = 80*fmax; but the TA vector is space by dt, so fs should be fs = 1/dt;

3 mesi fa | 0

Risposto
Are polyshape vertices preserved reliably without floating point errors?
Hi Matt, The doc pages for intersect, union, subtract, and xor all show a second output (ShapeID) that indicates if a vertex i...

3 mesi fa | 1

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Risposto
I can't place the fft curve at the signal frequency exactly. There's been a slight deviation of the fft peak at that frequency
fmax=1e9; %maximun frequency of the signal fs=60*fmax; ts=1/fs; %time increment T=10e-9; ...

3 mesi fa | 0

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Risposto
I get a robust controller result using musyn that is empty; "Krob = [ ]".
Hi Peter, My compliments on the quality of and effort put into this post! Based on only a quick inspection, I have the followi...

3 mesi fa | 0

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Risposto
Why does my Transfer function overshoots
Define the plant zeros = roots([0.075, 1, 1]); poles = roots([1, 3, 5, 0]); Gs = zpk(zeros, poles,1); As was pointed out by ...

3 mesi fa | 1

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Risposto
different color to plot
There may be fancy way to do it with a single line (or other type of) object, but it's easy to do it with two t = 0:.01:1; y =...

3 mesi fa | 0

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Risposto
How to fix conjugated chirp signal frequency shift in spectrogram
Conjugation in the time domain corresponds to reversal and conjugation in the frequency domain. To get a basic idea of what's g...

3 mesi fa | 0

Risposto
How to change frequency range doubling of Complex-valued Chirp Signal Spectrogram to match the Real-Valued Chirp Spectrogram
No, it appears there's no way to change that if you want to have spectrogram make the plot. Can use ylim to alter the plot afte...

3 mesi fa | 0

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Risposto
why is NaN not of 'NaN type' in Simulink?
It looks like the block labeled "assertion1" is a Compare To Constant block. Instead use a Relational Operator block, which sup...

3 mesi fa | 2

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Risposto
Dynamically generate a simulink block
This doc page Dynamic Masked Subsystem is probably what you're looking for. Not sure if the number of inputs or outputs can be c...

3 mesi fa | 0

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Aerodynamic forces and moments
The doc page Aerodynamic Forces and Moments states that the outputs of the block are: Port_1 — Aerodynamic forces Aerodynamic ...

3 mesi fa | 0

Risposto
What's the correct syntax to set-up discrete convolution ?
The variable B contains one or more NaN values. Use isnan to find which ones and then review the the corresponding inputs to be...

3 mesi fa | 0

Risposto
How to interpret the amplitude of impulse() results
It sounds like the code needs to account for the difference between the convolution sum, as computed by conv, and the convolutio...

3 mesi fa | 0

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Cannot compute the root locus of models with complex data
Well, you can always loop through values of K and for each value of K solve for s that satisfies den(s) + K*num(s) = 0 and plo...

3 mesi fa | 0

Risposto
How to make double array representation as complex array with null imaginary number ?
In general, use complex A = rand(2); C = complex(A,0) If you have multiple real arrays stored in cells of a cell array, you c...

3 mesi fa | 1

Risposto
Running main model with fixed step solver and subsystem with variable step solver
R2022a introduced the concept of a "Local Solver" when using referenced models, which might be what you're looking for. This blo...

3 mesi fa | 0

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Risposto
How to import multiple .mat files to workspace?
Why use the -ascii option to load a .mat file? If that's not the problem, please edit your question by copy/pasting the entire e...

3 mesi fa | 0

Risposto
how to compute duration of the signal
If a Matlab vector x is a subsequence of a discrete-time signal x[n], and if it's assumed that x[n] = 0 for all values of n outs...

3 mesi fa | 0

Risposto
How to manually simulate linear system without lsim
Hi Valeriy, As indicated, the system in question is a differential equation model of a continuous-time sytem. This line of co...

3 mesi fa | 0

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Risposto
Identified linear system contribution of input is zero
The commands do influence the position of the motor through the dynamics as described by the differential equation. The output o...

3 mesi fa | 0

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Risposto
Comparing coefficients and solving equation
syms x a b eqn = x^2 + 2*x + 5 == (b+4*a)*x^2 + (5*a+b)*x + (-b+2*a) cleft = coeffs(lhs(eqn),x,'all') cright = coeffs(rhs(eqn...

3 mesi fa | 0

Risposto
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...

3 mesi fa | 1

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...

3 mesi 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...

3 mesi fa | 1 risposta | 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...

3 mesi fa | 0

Risposto
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. ...

3 mesi fa | 0