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Feeds
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., ...
ein Tag vor | 0
| akzeptiert
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...
5 Tage vor | 2
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...
8 Tage vor | 0
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...
9 Tage vor | 0
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]; ...
10 Tage vor | 1
| akzeptiert
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...
10 Tage vor | 0
| akzeptiert
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...
12 Tage vor | 0
| akzeptiert
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...
14 Tage vor | 1
| akzeptiert
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 ...
20 Tage vor | 0
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...
22 Tage vor | 2
| akzeptiert
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 ...
22 Tage vor | 0
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...
etwa ein Monat vor | 0
| akzeptiert
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...
etwa 2 Monate vor | 0
| akzeptiert
Frage
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...
etwa 2 Monate vor | 2 Antworten | 0
2
AntwortenI'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...
etwa 2 Monate vor | 0
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...
etwa 2 Monate vor | 0
| akzeptiert
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...
etwa 2 Monate vor | 0
Frage
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:...
etwa 2 Monate vor | 0 Antworten | 0
0
Antwortenhow 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...
2 Monate vor | 0
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...
2 Monate vor | 1
| akzeptiert
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...
2 Monate vor | 2
| akzeptiert
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...
2 Monate vor | 0
H1 H2 Hv estimators all the same
Hi Riccardo, I'm only marginally familiar with the H1/H2 methods of estimation. Keeping that in mind ... load data.mat force ...
2 Monate vor | 0
Help using logic to edit table
T = table(["H";"L";"H";"L"],(1:4).','VariableNames',["Tide","Height"]) Thigh = T(T.Tide=="H",:) Tlow = T(T.Tide=="L",:) Or, i...
2 Monate vor | 0
| akzeptiert
Frage
Does Symbolic int() Always Return Justifiable Results When the Integrand Includes a kroneckerDelta?
Integrating the kroneckerDelta sounds a bit weird, but it it it's allowe it should be consistent. Define the Kronecker Delta an...
2 Monate vor | 0 Antworten | 0
0
AntwortenInverse Fourier transform of unilateral exponential function - ifourier MATLAB
syms t f a = sym('a','positive'); Y(f) = 1/(a + pi*f*2i) The default parameters in sympref assume that the transfomr variable...
2 Monate vor | 0
pole placement controller gain trouble with identified receptance
Hi GIOVANNI, I don't understand what the math is trying to do or how f and g will be used, so this answer may be limited in sco...
3 Monate vor | 0
Issue with Laplace Transform for Exponential Functions in MATLAB
Hi FFU, Let's take a look at these one by one. syms t real f1 = 2^(-t); I've never seen a Laplace transform table that inclu...
3 Monate vor | 0
| akzeptiert
Magnitude Plot Incorrect Frequency
Recheck the conversion from rad/sec to Hz in the plot command for the magnitude of the spectrum
3 Monate vor | 1
| akzeptiert
Frage
Why Doesn't doc Show Links to Other Uses of the Same Function?
Using 2024a with local documentation .... I just realized that when I open a doc page for a function that I no longer get the b...
3 Monate vor | 0 Antworten | 0
