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designfilt error in loop
In this messsage "Error in designfilt (line 189)," the "line 189" is refering to the line number in designfilt, not your code. ...

más de 2 años hace | 0

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Convert Quaternion to Euler angle extrinsically
Hi Frank, According to a comment in this answer, there appears to be no function in any toolbox that works with extrinsic Euler...

más de 2 años hace | 0

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Why the Hilbert transform is not correct using the hilbert function in Matlab?
I think the issue is that the assertion that the "Hilbert transform of cos is sin" is not correct for this problem. According to...

más de 2 años hace | 0

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How to do a Biquad (SOS) filtering
Hi Jay, I think it works like this if you want to cascade the filters together into a single, sos filter. %% Filter_1 h = fde...

más de 2 años hace | 0

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Kalman filter for input estimation
The steady-state Kalman filter as implemented by kalman requires that the augmented realization be detectable, as opposed to mi...

más de 2 años hace | 0

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Discrete z to convert z^-1
z = zpk('z',-1); H = 0.0004773 * (z+0.9544)/ (z-0.9591) / (z-0.9064) H.Variable = 'z^-1'

más de 2 años hace | 0

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Multiple Bandpass Filter Creation
fs = 16e3; %range = [50 8000]; CF1=linspace(50, 8000, 32) -50; CF2=linspace(50, 8000, 32) +50; Can't use the first and las...

más de 2 años hace | 1

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Calculus Variational; code for finding the value of two constants for 2 values of the variable
Boundary conditions can be specified in the call to dsolve syms x(t) f = diff(x,t)^2+10*t*x eqn = functionalDerivative(f,x) ...

más de 2 años hace | 2

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Pole Placement Techniques Part 2
Hi MUHAMMAD, See some comments interspersed with the code below. clc; clear Here, we define the sysem in original form. % (1...

más de 2 años hace | 0

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Structured H infinity synthesis can't find a controller that makes closed loop stable even with an asymptotically stable plant?
Hi Vinh, I'll say up front that I don't have a complete solution to your problem, but I have an observation that I'm pretty sur...

más de 2 años hace | 1

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Regarding Pole Placement Techniques
A = [0 -83.33; 500 -10]; B = [166.67; 0]; C = [0 1]; D = 0; %Create state-space and convert to transfer function sys = ss(A...

más de 2 años hace | 1

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phase jumps in dtft
n=-20:20; w=-2.5*pi:.01:2.5*pi; x1=zeros(size(n)); x1(n>=-2 & n<=2)=1; % x1(19:23)=1; Matlab doesn't have a function dtft. ...

más de 2 años hace | 0

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How can I add two fft functions?
Hi Anagha A=1; t=0:0.001:0.1; Here, the sampling frquency is 1000 Hz ... but the frequency of x is 1046 Hz. Assuming x shoul...

más de 2 años hace | 0

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Comparing Analog Butterworth vs Bessel Filters shows large differences in coefficients and filtered data.
Hi Xavier, For "an analog Butterworth" filter, the code would be (butter) % All frequency values are in Hz. Fs = 20000; % Sa...

más de 2 años hace | 0

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Pregunta


Why Does Format of Data Returned from readtable() Depend on Import Options that are Not VariableTypes?
Here is the file type text1.csv When read without options, the table output is as expected. t1 = readtable('text1.csv') But ...

más de 2 años hace | 2 respuestas | 1

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Apply Filter to Signal
I think this is the correct way to generate the output signal fs = 16e3; t = 0:(1/fs):1; % not defined in question numFilts=...

más de 2 años hace | 1

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LQI with time-delay system
Yes, if using a Pade apporoximant for the time delay, then the Q matrix will have to be expanded to include the additional state...

más de 2 años hace | 0

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Error in port widths or dimensions.
If it makes sense that the outputs of each Fuzzy Logic Controller is 3, then there is a problem at the the output of the highlig...

más de 2 años hace | 0

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I have logged a signal from simulink to workspace in timeseries format and got 317 samples of that signal. Can i increase the number of samples i get or the sampling rate?
More samples of the logged signal can be collected by settng the Sample Time of the To Workspsace block to whatever sample time ...

más de 2 años hace | 0

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How to plot this equation
syms U Delta beta T k_beta U = -Delta/2*tanh(beta*Delta/2) UoverDelta = U/Delta UoverDelta = subs(UoverDelta,beta,inv(k_beta*...

más de 2 años hace | 0

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Derive function handle with a vector input argument
Hi Majeed, Maybe you're looking for something like this? q = [3 2 2 3]; p = sym('p',[1 4]); syms x y f = p(1)*x.^2+p(2).*y....

más de 2 años hace | 0

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Load timeseries data from workspace for non-periodic data
In the Model Configuration parameters, change the Input field under Load From Workspace from ts to addsample(ts,'Data',ts.Data...

más de 2 años hace | 0

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how to use freqz function correctly
If x is a digitalFilter object, then freqz can be called as freqz(x,f,fs); where f is vector of frequencies of interest to vis...

más de 2 años hace | 0

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How to get the value of slopes of pchip at the enpoints?
The doc page pchip (under the Output Arguments, pp section) shows how the interpolationg polynominal is formed for each interval...

más de 2 años hace | 1

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Struct as mask input
I did the following: 1) created a model child.slx. It has an Inport -> Gain -> Outport. The gain parameter is set to 'paramet...

más de 2 años hace | 0

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Getting complex solution with Matlab ode45
It looks like your differential equation is very sensitive (I mean that loosely) A=-4.32; B=4; C=1.2; D=0.8; a=0.2778; ode...

más de 2 años hace | 0

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two output in one scope
The easiest way is to log each signal in their respective .mdl file, simulate each, and then plot from the base workspace.

más de 2 años hace | 1

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Pregunta


Why are the Corners Shaded in the Model Reference Block?
Consider the block diagram at this doc link for model referencing. Why are the corner triangles shaded in the block for Counter...

más de 2 años hace | 1 respuesta | 0

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Respondida
The problem with "contains"
Might not be faster, but .... LongStrings={'Apples are red' 'Lemons are yellow' 'Cucmbers are green' 'Some numbers are odd' 'Th...

más de 2 años hace | 0

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I my tried to use for loop to find a transfer function and root louces
I think that rlocus(TF3) clears the figure and then overwrites, so I think you're actually getting the root locus for the last v...

más de 2 años hace | 1

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