Respondida
I have a transfer function as shown, how do i introduce this block in simulink
Use a Tranport Delay block with Time Delay parameter of 0.2 in series with a Transfer Fcn with Numerator 1 and Denominator [0.1 ...

alrededor de 3 años hace | 0

Respondida
I cannot match the calculated from formula FFT with the MATLAB answer though they should be the same
Hi Jonathan Let's define the input signal symbolically clear syms a x w real s1(x) = a*sech(a/sqrt(2)*x) Its Continous Time...

alrededor de 3 años hace | 1

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Respondida
d2c adding additional states to LTI
Hi Bobby, d2c using either the zoh or foh methods has a constraint that the eigenvalues of the A matrix can't be on the negativ...

alrededor de 3 años hace | 0

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Respondida
Using rlocus I am confused
Hi Madyson, If you want to draw the root locus for a specific range of gains, then only specify a single range at a time G = t...

alrededor de 3 años hace | 0

Respondida
How can I get the parameters of a MATLAB Function programmatically on command line
For a specific Matlab Function block, as asked in the question (I have a simple Matlab Function block in my model with one input...

alrededor de 3 años hace | 0

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Simulink State Space Error
Hi Dylan, Unclear why the error message refers to "Project1/Step" when the model apparently does not contain a Step block. Any...

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IMU sensor fusion: imufilter command reduces number of samples
Hi Aishwarya, Because the decimation factor is 2, shoudn't it be expected that there be half as many output samples as there ar...

alrededor de 3 años hace | 0

Respondida
Using a persistent array in a Simulink function block
Hi richard, The typical structure would look like this: function [a11, a12, a21, a22, b1, b2] = fcn(I_in, V_out, U_in) persis...

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simple test for nufft not working
Hi Pieter, I don't think that expression for Y(k) is correct. We can check symbolically %% define signal t = sym([-1.0,1.0]);...

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In kalman filter, the elements of state transition matrix using fourth-order runge-kutta integration
Hi Chong-You, It sounds like the system is linear and time invariant. In continuous time, the state dynamics are: xdot(t) = A...

alrededor de 3 años hace | 0

Respondida
Using Bus in Simulink
Does Load Data using the From Workspace Block include an example that will help?

alrededor de 3 años hace | 0

Respondida
Error using symfun/subsref (line 203) Invalid argument at position 2.
Hi Catalina, Need to subscript N in the foor loop to create a vector with 3 elements. Also, the final construction of N had an ...

alrededor de 3 años hace | 0

Respondida
Convert cell array of string arrays to a single string array
Hi Charles Use vertcat with a comma separated list as the input my_cell = cell(5,1); % Assign some values my_cell{1} = "even...

alrededor de 3 años hace | 0

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Function writing in MATLAB in symbolic format
It appears that the symfun objects have to have the same arguments (number and order) to add them syms rho(x,y,z,t) rho_m(x,y,z...

alrededor de 3 años hace | 0

Respondida
How to input exponentials in transfer functions using Simulink?
In addition to using a single transfer function along with gains and transport delays as suggested by @Sam Chak, if you have the...

alrededor de 3 años hace | 0

Respondida
How to use a from workspace function for a 1D lookup table
Dose input_grafiek have a constant value over the entire simulation run? If it does, don't use a From Workspace block. Instead, ...

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Get Intermediate Signal of Block Diagram for Control System
Hi Ian, AFACIT, you did everything correctly as far as defining and connecting the diagram. With the PID controller defined, th...

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How can i remove (or hide) the time units ("(seconds)") from the stepplot graphic in the x-axis?
If you're willing to accept 'hours' in the label instead of 'horas' then set the TimeUnit property of M numM=[1.123]; denM=[1 ...

alrededor de 3 años hace | 0

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Binärsignal transformation 100 [Hz] --> 2000 [Hz]
Hi julius, Does repelem meet the requirement. Here's a small example to repeat each element three times (instead of 20) to mak...

alrededor de 3 años hace | 0

Respondida
How to test if an object is a simulink.parameter ?
Hi Alexandre Use find on dictionary section object to find the entries that meet the desired criterion. >> myDictionaryObj = S...

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Error: Simulink Scope Block does not support 'Array' format for logging matrix signals
Why not use a To Workspace block? If haven't done already this doc page is a good place to start to compare all options. In ...

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Simulink error: Time-Varying State Space block
Hi John, In the Constant blocks for sys_lqr.B and sys_lqr.C try clearing the block parameter "Interpret vector parameters as 1-...

alrededor de 3 años hace | 1

Respondida
recreating nyquist regions using FFT
Are the "third" and "fourth" Nyquist zone the frequencies from Fs to 3*Fs/2 and from 3*Fs/2 to 2*Fs respectively? If so, third...

alrededor de 3 años hace | 0

Pregunta

Did mldivide Implementation Change in R2022b?
When I run this code here on 2022b (actually, 2023a now, but I saw the same effect on 2022b) I get: load('mldivdivideex') form...

alrededor de 3 años hace | 1 respuesta | 0

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Respondida
why do my spectrogram values are negative and how to read them?
The power levels are in dB. Any positive number less than 1 is negative when converted to dB pow2db(0.5) See pow2db.

alrededor de 3 años hace | 0

Respondida
How to use Cell array as block parameter using setBlockParameter in Simulink?
Hi David-ucr, I don't have 2022b and can't find EVModel in 2022a, so can't test. I also couldn't find it on the 2022b Simulink ...

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Respondida
Resample function is not working properly and damaging the signal
Hi goksu, The observed behavior is documented at resample specifcally here: "... resample assumes that the input sequence, x, ...

alrededor de 3 años hace | 2

Respondida
Transfer function matrix of a Multiple input DC-DC converter
Does linearize work on Simulink Simscape models?

alrededor de 3 años hace | 0

Respondida
use green therom to find counter clockwise circulation and outward flux
Isn't the answer 0? Using the approach referenced here syms x y real % vector field F = [7*x-3*y, 7*y-3*x]; % Define the ...

alrededor de 3 años hace | 0

Respondida
Subsystem with similar functionality as of "Unit Delay"
Does the Delay block meet the need? It can accept an IC from an external source and is externally resettable.

alrededor de 3 años hace | 0