Answered
How to do error approximation of a weibull fit in matlab
The Weibull distribution is that of a continuous random variable. Are you trying to compare its fitted pdf with the plot returne...

3 years ago | 0

Answered
I wonder why the following code is not able to give a valid output? My objective is to solve a system of simultaneous ODEs with dirac comb func.
Hi Mridupawan, It would be helpful if you posted the error that you're getting or otherwise show exactly what the problem is. ...

3 years ago | 0

Answered
Problem with Kalman Filter and state space model
Hi Tobias, It looks like the state space model is defined in continuous time, but the Kalman filter is a discrete-time implemen...

3 years ago | 1

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Answered
How to calculate real probability of data
"is there a way I can get the probability values in a matrix of the same dimenions as A." The number of bins in the histogram w...

3 years ago | 0

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Answered
Changing initial conditions of a Simulink model when simulating using a for loop
I think you can do what you want using Model Operating points. Here's a doc page to get started. Why do you want to do this: in...

3 years ago | 1

Answered
programmatically collect sim errors
Using the sim command, simulation warnings are captured in the SimulationMetaData.ExecutionInfo of the output of the sim command...

3 years ago | 0

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Answered
imufilter results seem incorrect
I think the gyro data is in deg/sec, but the imufilter wants that input in rad/sec. Check those units. data = readtable('data.c...

3 years ago | 0

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Answered
I'm getting weird units while double-integrating accelerometer data to extract displacement
Hi @Nathaniel, I only see one issue with the code, but I have some other thoughts for consideration. Read in the data warning...

3 years ago | 0

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Decreasing digits of answer
Try: vpa(grad,6)

3 years ago | 1

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freqz() not behaving as expected?
The b and a inputs to freqz are the coefficients in ascending powers of z^-1. So this case b = 1; a = [1 0 0 0]; really means...

3 years ago | 1

Answered
include all rows matrix in []
One way .... Create example data Sis.a = 1; Sis = repmat(Sis,73,1); z = rand(5668,73); The code [Sis.z] = cell2struct(num2...

3 years ago | 2

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DTFT possible on Matlab?
Computing the DTFT of a signal in Matlab depends on a) if the signal is finite duration or infinite duration b) do we want the...

3 years ago | 2

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How to verify the discrete-time convolution theorem with Matlab
Hi moyu, Linear convolution in the frequency domain using fft requires zero padding the sequences before taking the FFTs and mu...

3 years ago | 1

Answered
sum filed in struct
% example data Sis.PV = 20; % Sis.PV = repmat(Sis.PV,1,82); % original incorrect line, expanded the field instead of the struc...

3 years ago | 2

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Answered
How can i get frequency domain of an earthquake?
Hi ADNAN, I had a comment in this thread that was mysteriously deleted, so I'll repost here as a separate answer. It looks lik...

3 years ago | 0

Answered
How to sort the cell with string based on dates (earliest date should begin first)
Hi Geerthy, Here is one approach. Some of the steps can be combined if fewer lines of code are desired. c = {'(Z98.1 Z47.89 Z9...

3 years ago | 2

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Answered
Why Execution Order of Sum block is not shown in the Simulink model?
It's possible that Simulink has determined that those blocks don't need to be executed (I think there is a Block Reduction optim...

3 years ago | 0

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Finding Generalized Plant matrix
Hi Ömer, Did you try constructing P exactly as written, with the 0 entries of correct dimension?

3 years ago | 1

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Numerical problems when plotting with fplot
Hi FRANCESCO, I can't explain the inner workings of fplot, but I too have had occasion where it comes up with odd results. Her...

3 years ago | 1

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Answered
Reloading handle objects from .mat files
Hi Matt, It looks like two of the properties are changed, either on the save or on the load. h=plot(1:5); save tst h h2=lo...

3 years ago | 1

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Answered
Is there a distinction between the D term and the derivative component of the PID controller?
If P = I = 0, and D = 1, we're left with: PID(s) = N/(1 + N/s) = N*s/(s + N) With the block parameter value of N = 100 PID(s)...

3 years ago | 0

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Question

What are Your Thoughts on TMW Using Answers as Source of Documentation?
This Question has an answer that links to this doc page. That doc page, in turn, has a direct link to another Question/Answer (...

3 years ago | 1 answer | 0

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need help in understanding with feedback command
Hi shipra, In accordance with the the doc page feedback, the first argument is the forward path gain and the second argument is...

3 years ago | 0

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Answered
Is it possible to change the unit of reluctance block of MATLAB from m.file?
It appears this can be done via typical set_param commands. For example, I have a Reluctance block selected in my model: set_pa...

3 years ago | 0

Answered
Average columns together that share a common value
D = [1, 25 3, 33 3. 45 2, 22 4, 54 4, 56 5, 23 5, 65 1, 27 2, 29]; [G,ID] = findgroups(D(:,1)); [ID splitapply(@mea...

3 years ago | 2

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How do i plot poles of three matrices using different marker for each matrix on same plot using either pzmap or pzplot?
Hi Kamilu, The code calls pzmap twice in the D==70 case. The code checks for a case with D == 7, but the second element throug...

3 years ago | 0

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How to include a model (created by me at Simulink) in Matlab script?
Hi jana, Can you clarify this statement: "I couldn't use the state space representation because I have a disturbance acting on ...

3 years ago | 1

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Answered
State-space input response
Hi Yasin, You can create a model using ss. Wtih that model you can simulate the repsonse to the initial condition and the input...

3 years ago | 1

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Answered
How to access only the first element of the variables in a structure array as a vector?
One option S(1).Location = [1 4]; S(2).Location = [4 15]; S(3).Location = [3 7]; L = arrayfun(@(S) S.Location(1),S)

3 years ago | 0

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Answered
Algebraic loop error - Simulink
Hi John, The model equations as implemented are: (1) actual_height = new_height (2) new_height = displacement + actual_heigh...

3 years ago | 0