Respondida
How To Handled Fixed Point Datatype in Simulink if I am Not Having Fixed Point Designer Licence?
Hi Anup, If by "handle fixed Datatype" you mean that you have to work with a model that uses fixed-point functionality, check o...

alrededor de 1 año hace | 0

Resuelto

Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

alrededor de 1 año hace

Discussion

Answers Acting Flaky?
For the last day or two, I've been getting "upstream" and other various errors on Answers. Seems to come and go. Anyone else hav...

alrededor de 1 año hace | 0

Respondida
Shading area between 2 curves (x function in terms of y)
Here are the plots of the functions. The independent variable is y, which spans the x-axis on the fplot syms x y x1=y^2; x2=y...

alrededor de 1 año hace | 0

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Respondida
Indexing vectors with a zero and creating a "predicted" vector knowing what the diff should be
This solution is similar in spirit to that in this comment, which I think is the best approach based on how the problem has been...

alrededor de 1 año hace | 0

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Respondida
How can I plot 10 shifted single impulses in one plot (in a row)?
imp = @(x) sech(x); S0 = @(x) imp(x).*(x<=0); % assumes S0(0) = sech(0) ub = 10; x_imp = linspace(-ub, ub, 1001); x_S0 =...

alrededor de 1 año hace | 1

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Respondida
The sine wave comes out as flat as flat line .
The yellow line likely isn't flat, it just looks that way becuase the y-axis is scaled by 10^15. Try sending the that signal to ...

alrededor de 1 año hace | 2

Respondida
Simulink Matlab Fcn, logical error for incrementation in Goertzel's algorithm
Hi bieron surya, Every time the function executes it hits the line count = single(0); which does exactly what it says, i.e., ...

alrededor de 1 año hace | 0

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Respondida
The coefficients of a Hermite polynomial
coeffs n = 4; H = hermiteH(n, sym('t')) [c,terms] = coeffs(H,sym('t')) or [c,terms] = coeffs(H,sym('t'),'all') Typically o...

alrededor de 1 año hace | 2

Respondida
Load Pretrained Networks in Matlab function block
According to the doc pages coder.loadDeepLearningNetwork and predict- (not recommended) and the error message this function migh...

alrededor de 1 año hace | 0

Respondida
Any commands about rotation where the unit of the input is radian
eul2rotm and angle2dcm both ingest angle inputs in radians, but they both require three angles on input. Also, care must be take...

alrededor de 1 año hace | 0

Respondida
error in discrete space state depeding on coefficient
Hi SUENGTAE, In the first case we have: J = 0.01; b = 0.1; K = 0.01; R = 1; L = 0.5; A = [-b/J K/J -K/L -R/L]; ...

alrededor de 1 año hace | 1

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Respondida
unit delay in z-domain, is this correct? I do not think the bode is correct. Thanks
Hi Mohammad, What exactly about the Bode plot appears to be incorrect? The gain of the unit delay should be 1 (or 0 dB) at all...

alrededor de 1 año hace | 0

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Respondida
Why Doesn't "clear all" Clear the Assumptions from the Symbolic Engine?
Looks like this is fixed in whatever version of 2024b that Answers is running now as compared to the version it was running when...

alrededor de 1 año hace | 0

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Respondida
Linear Acceleration input to the IMU Block in Simulink
Hi Ubersich, You're not getting anything wrong, only suffering from poorly written documentation and a block algorithm that's p...

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Discussion

Should Plotting Functions Implicitly Squeeze Inputs?
Should plotting functions, such as plot, semilogx, etc. internally apply squeeze to inputs? For example, the ubiquitous bode fr...

alrededor de 1 año hace | 1

Respondida
From Matrix s-domain to state space and Z-domain
Hi JD, What does "Tc(s) constant value per some period suppied by 2D lookup table?" mean? If you have the R_ij and tau_ij for ...

alrededor de 1 año hace | 0

Respondida
How to solve vector equation y = mx +c
% A*[m;n] = b A = [3.2790 1; 1.9704 1; 0.9757 1; 0.4835 1; 0.2425 1]; b = [661 401 201 101 51].'; See...

alrededor de 1 año hace | 2

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Respondida
Shows "vertcat error" in CIC
Hi Jay, That doc page does say that the filter can can accept either a vector or a matrix. But we have to look at how the data ...

alrededor de 1 año hace | 0

Respondida
Why does c2d changes the structure of the C matrix in the ss representation?
Hi Elia, When working with transfer functions, the only thing that's considered is the input/output relationship. The Control S...

alrededor de 1 año hace | 0

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Respondida
Accessing variables from a Simulink model initFcn callback with parsim
Hi Guillermo, In my opinion, the documentation is very poor in explaining the interaction between workspaces, models, and model...

alrededor de 1 año hace | 0

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Pregunta

Is the Ordering of the Output from combinations() Documented, Repeatable, and Sensible?
Suppose I want to evaluate a function of three variables over a grid of points in 3D space. For example, using three nested loo...

alrededor de 1 año hace | 2 respuestas | 0

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respuestas

Respondida
I'm running signal processing simulations in Simulink. What's the proper way to set the solver step size?(I've attached my .slx file, tks!)
Hi ColdRabbit, As long as the Sample Time parameter of the ZOH block is set to the sampling period for which you want to comput...

alrededor de 1 año hace | 0

Respondida
Different Results of allmargin() and margin()
Hi Florian, For a MIMO system, allmargin computes the margins of each loop with all other loops are closed. However, the comman...

alrededor de 1 año hace | 0

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Respondida
Cannot plot Fourier Transform
Hi David, I just came across this old post. syms t w h = sin(4*(t-1))./(pi*(t-1)); H = fourier(h, t, w); % Define Input and...

alrededor de 1 año hace | 0

Pregunta

How are Extrinsic Functions Handled When Executing Parallel Simulations with parsim() ?
Suppose a Simulink simulation that contains a Matlab Function block that calls another function declared as extrinsic with @doc:...

alrededor de 1 año hace | 1 respuesta | 0

1

respuesta

Respondida
how to get the current model design in matlab?
Hi Atul, After a block is added to a Simulink diagram one can use bdroot(element) to get the name of the model in which the ele...

alrededor de 1 año hace | 0

Respondida
Using interpolant surface in Simulink
I think the fundamental problem is that objects of class sfit are not eligible for code generation, and so cannot be used inside...

alrededor de 1 año hace | 1

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Respondida
Spectral radius of 4×4 matrices
Hi Sunday, The code runs without error (after defining h) here on Answers using 2024b. You're seeing a different result in 2021...

alrededor de 1 año hace | 2

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Respondida
Icare doesnt have the answer
Hi jowii, % Input Parameter a_11 = -0.0857343575298716; a_12 = -4.83449522782224; a_21 = 0.000139892812156308; a_22 = -0.10...

alrededor de 1 año hace | 0