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Paul


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Réponse apportée
How can I make the Nichols chart background grid more prominent when using Nicholsplot? (Too faint.)
You can change the linewidth of the grid lines plotoptions = nicholsoptions; plotoptions.GridColor = [0.0 0.0 0.0]; plotoptio...

1 jour il y a | 0

Question


Why Must the TimeZone be Specified for datetime when the Time Zone is Included in the DateString?
Suppose I have a date string fu = "Mon Mar 3 12:20:40 EST 2025" Converting to datetime causes an error because the TimeZone in...

3 jours il y a | 1 réponse | 0

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How to create a table with data from multiple tables using function or for loop
Hi Kristine, It will be easier to process if the date for each table is actually stored in the data structure itself, rather th...

3 jours il y a | 0

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Deconvolution creates new peaks
Hi Riccardo, It might be simpler to just use the twosided option of tfestimate Also, the input data is single, might want to c...

3 jours il y a | 2

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Issue with Time-Domain Shifting Using Fourier Shift Property in MATLAB
Hi Jason, I think the fundamental issue is that one shouldn't expect that Result = 0. Suppose we have a continuous time signal...

4 jours il y a | 0

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Model variable/jittered clock to sample a signal in Simulink - how does variable sample times work?
Because the Hit Scheduler can accept vector inputs, I suppose the simplest approach would be to create the jittered sample times...

10 jours il y a | 0

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I am working on an assignment for class I can't figure out how to round the values in the table to two decimal places. Can anyone point out what I am missing?
It appears that formating numerics in a table is not same as the format used for display in the command window. Do you have to ...

20 jours il y a | 0

Question


How Can a sym Vector have Elements that are Vectors Themselves?
I ran the following code on 2024a syms x c1 c2 real m1c(x) = c2 + c1*x + heaviside(x - 4)*(3*x - 2)*(x - 4); This line causes...

20 jours il y a | 1 réponse | 0

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Question


Simplify() Does Not Work with "All" Argument?
This is a bug? syms x c1 c2 real m1c(x) = heaviside(x-4)*(3*x-2)*(x-4) + c1*x + c2; simplify(diff(m1c(x),x),'All',true)

20 jours il y a | 1 réponse | 0

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Matrix multiplication between an operation matrix, such as the rotation matrix, and a coordinate list.
y_rotation_matrix=@(theta) [cos(-theta) 0 sin(-theta);0 1 0;-sin(-theta) 0 cos(-theta)]; rng(100) coordinate_list=rand(10,3);...

22 jours il y a | 0

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Errors in the symbolic integration of the Dirac Delta function (bug?)
Hi Geoffrey, Not sure why there seems to be a problem with the antiderivative v1. You should consider reporting it as bug. I've...

22 jours il y a | 0

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Is it possible to 'interpolate' in FFT data?
Hi xd. Here is one way to think about this problem. Let c[n] = A*cos(w_0*n + phi) be the reference signal where -pi <= w_0 <= ...

25 jours il y a | 1

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Run an enabled and triggered subsystem only one time (single shot)
Does it really need be enabeld and triggered? Even if so, it should only run when triggered (and enabled), so if the trigger tr...

28 jours il y a | 0

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Designing an Output Zeroing Input for an LTI Discrete-Time System in MATLAB
Hi shokouhfeh, I did not go through all of the math. But I do see that the input is of the form u[k] = (-1.1)^k That magnitud...

environ un mois il y a | 0

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vpa, simplify, solve, etc don't fully simplify symbolic function.
l = 50; a = 10; W = 1200; syms Q(z); Q(z) = 1200 + 56*z - 2.5*z^2; R = - int(Q(z), [0 l]) + W; syms F1(z) F2(z) F3(z); F1...

environ un mois il y a | 0

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what is this block called
That is a Memory block.

environ un mois il y a | 1

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Transfer function model from block diagram
The easiest way, IMO, is to use connect. Feel free to post back here if you still have questions after reading the doc page and ...

environ un mois il y a | 0

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Help with MATLAB symbolic toolbox
Hi Scott, See below for solution % Set up symbolic variables syms t C1 C2 % Set up parameters K = 2.2167e+06; M = 45.96; ...

environ un mois il y a | 0

Réponse apportée
fftshift implementation in Simulink
fftshift is extended to code generation. Assuming the data output from the FFT block is in linear order, you can call fftshift f...

environ un mois il y a | 0

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ECEF 6DOF block - position calculation
Hi Thomas, As far as I can tell, the translational equations in the Algorithms section of the documentation page 6DOF ECEF (Qua...

environ un mois il y a | 0

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Data extraction/split from table
Hi Daher, Start with findgroups identify the unique rows in the table and map each row to a unique row. T = readtable('art_fil...

environ un mois il y a | 2

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Does enu2ecefv make any assumptions about the ellipsoid?
Hi Eitan, See Vectors in 3-D Coordinate Systems for a brief explanation.

environ 2 mois il y a | 0

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How to calculate only several frequency with FFT ?
If the desired frequenices are a subset of those that correspond to the DFT as computed by fft, I'd imagine in many cases there ...

environ 2 mois il y a | 1

Réponse apportée
how to search parameter with specific name under the simulink system
Check out Simulink.findVars

environ 2 mois il y a | 0

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Réponse apportée
possibility to create "Enbaled" subsystem
One option would be to create the subsystem as an Enabled subsystem and then control the enable port with a signal that you cont...

environ 2 mois il y a | 0

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steady plot end with different rate of rise question
Hi fima, The functions being plotted are of the form syms y_i(x) r_i disp(y_i(x) == exp(r_i*x) - 1) Why should y_i(x) be the...

environ 2 mois il y a | 0

Réponse apportée
Serious Problem with FiltFilt Function
The filter is not unstable. Rather, the issue is an interaction between how filtfilt works and the implementation of the biquadr...

environ 2 mois il y a | 0

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Could not define a data in matrix form in model workspace ( for simulation)
Based on the limited description, I'm not quite sure how you'd like to run multiple iterations of a simulation for different par...

environ 2 mois il y a | 0

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How to plot a string signal/array?
I don't believe there is a built-in function to plot a string vector against a numeric vector in any fashion, much less to produ...

environ 2 mois il y a | 1

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readtable does not import headers properly while reading csv file
dbtype data.csv T = readtable('data.csv','LeadingDelimitersRule','keep','ReadVariableNames',true); T(1:5,:)

environ 2 mois il y a | 0

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