Answered
How to change the transfer function variable in simulink during simulation time
Hi Swasthik, If I understand correctly, the R and C values are changing dynamically. Just use blocks (integrators, subtraction,...

4 years ago | 0

Answered
I need to model this equation in simulink.
Assuming the Qeustion is about specific values of t and Ts, i.e., integrate a signal over an interval .... Put the integrator i...

4 years ago | 0

Answered
How do we modify the tails of norrmal/any kind of distribution by keeping other portion is same?
Hard to say much, at least for me, without knowing more details about the starting PDF and how the tails are going to be modifie...

4 years ago | 0

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Answered
Reconstructed Pulse Out of Phase
Hi Doug, I think the short answer is, don't use nextpow2. Fs = 100; %Sampling Frequency t = -0.5:1/Fs:0.5; %Time Vecto...

4 years ago | 0

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Answered
'dare' command from Control toolbox doesn't work in the Simulink's 'Matlab Function' block
In the Matlab Function block, declare dare with coder.extrinsic. See this doc page

4 years ago | 0

Answered
linear independent set formation
A set of functions fi(t) is linearly indepenedent if the only solution to a1*f1(t) + a2*f2(t) .... an*fn(t) = 0 (1) is ai = 0 ...

4 years ago | 0

Answered
Triggering Simulink simulation through GUI does not send data from simulink to workspace.
Hi Amartya, Does this answer help?

4 years ago | 0

Answered
sim command in Matlab and ToWorkspace in SIMULINK dont work togheter?
Hi Benjamin, Specify an ouput argument for the sim command, like so: ouputdata = sim('mymodel'); All of the ToWorkspace block...

4 years ago | 0

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Answered
How to use the values of an array as inputs for a function?
Assuming the function resturns a scalar .... Will a simple loop suffice? c = num2cell(rand(10,6)); y = zeros(size(c,1),1); f...

4 years ago | 1

Answered
How to create a vector in simulink? I have given an input which has 2 values, one is flow and another is temperature. I don't know how to simulate this model, Kindly, help me
Vector signals are commonly created in one of two ways. Define the parameters of any source block such that it ouputs a vector ...

4 years ago | 0

Answered
Plotting the convolution of u(t) * dirac(t)
Hi Jeremy, The equation for the convolution integral in the Question is incorrect. The argument of u inside the integral should...

4 years ago | 1

Answered
exp( ) gives unexpected answer for (2,2) input
Seems to give the expected result? a= [1.4142 1.4121; 1.4142 1.4121] exp(j*2*pi*a*10^3)

4 years ago | 0

Answered
Hi all,I want to use matlab to calculate the exponential integral,I know that the official function ExpIntegralE in Mathematica can calculate it.
ExpIntegralE in Mathematica seems to be the same as the two-argument form of expint in the Symbolic Math Toolbox.

4 years ago | 0

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Answered
How do I take the average of elements of a vector depending on the values of another vector?
This common workflow is discussed here: splitapply A = [2 3 2 2 3 4 3 3]; B = [0.1 0.2 0.22 0.13 0.07 0.88 0.3 0.5]; [G,ID]=f...

4 years ago | 0

Question

filtfilt Does Not Perform Zero-Phase Filtering. Does It Matter?
The doc page for filtfilt claims that the function "performs zero-phase digital filtering" and then goes on to describe the expe...

4 years ago | 1 answer | 0

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answer

Answered
Using root function to complete the turning point function that solves the derivates of a polynomial
Hi Laidog, I suggest starting with this doc page. It will show how to reperesent and analyze polynomials in Matlab and contains...

4 years ago | 0

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How can I create the MATLAB code for the same result when the result is implemented in Simulink about State-Space equation solving?
Set tspan = t_P; for the call to ode45

4 years ago | 0

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Answered
Sum of series (symsum) in Simulink
I was able to get a workable soluion using only Simulink blocks by setting up the equation and solving for mu with an Algebraic ...

4 years ago | 0

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Answered
Solution of differential equation
Simulink provides many optiions for exporting simulation data to the Matlab workspace, after which one can anlayze it, process i...

4 years ago | 0

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Finding the H infinity norm of a system
Following up on this comment ... Can the equations not be writen in state space form only because it's impractical to do so, or ...

4 years ago | 0

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Constant block doesn't accept array
What is the value of A in the base workspace? Or whatever workspace it lives in. Note that “A” in the From and GoTo blocks ha...

4 years ago | 0

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Answered
Deconvolution of signal 1 from a known signal 2
I'm pretty sure that any DFT (fft()) based method will have limitiations, but we can try as follows. Assume that the system mod...

4 years ago | 1

Answered
I want to plot a complex function f(z) in 3D
f(z) can be defined by: f = @(z) conj(z)./z; As for the plot, that depends on the kind of plot that's desired. Here's a plot ...

4 years ago | 0

Answered
Step change in model parameters - simulate load step response with internal states as starting point
Hi J B, Example system sys1 = rss(2); Use step to generate the initial step response and collect the state variables [y1,t1,...

4 years ago | 0

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Answered
I designed a filter in matlab, but it's pass band seems to be central symmetry.
HI 瑶何 Hard to say much without seeing the actual data or the full code used to generate the plots. Having said that, it appear...

4 years ago | 0

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Answered
Define matrix array as functions
If you're trying to store M1 for all values of n, then M1 needs to be 2 x 2 x n M1(:,:,n) = [M1a(n) M1b(n);M1c(n) M1d(n)]; Con...

4 years ago | 0

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Answered
Solution for the multiple repetition of Simulink simulation
Check out Simulation in the doc. The links from that page should provide lots of relevant information.

4 years ago | 1

Answered
How do I obtain the transfer function of this model? Simulink Linearization
Hi Jacob, The Simulink linearization is coming up with the correct answer as far as I can tell: r3=0.0254; %R3 (meters) r2=0....

4 years ago | 0

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Answered
How can I compute structured singular value with repeated full complex blocks as allowable structured uncertainty
I think the model can be refactored so that instead of having three, Ny x 3*Ny full block uncertainties you have 3*Ny^2 diagonal...

4 years ago | 0

Answered
Frequency input to Transform Function
Hi Nerma, Check freqresp. The second argument should be a real vector of frequencies (typically > 0). The multiplication by 1j ...

4 years ago | 0