Answered
underwater acoustic wave Signal to Noise Ratio (SNR)
At a minimum: SSs is still using log, probably should be log10 The equation coded for ns doesn't match the equation in the que...

3 years ago | 1

Answered
Character Frequency of String
Using the new dictionary in 2022b and the on-point example from this blog post str = "SunnyDay"; chr = char(str); d = diction...

3 years ago | 1

Answered
How to change constant block automatically and run automatically
Is your question, "How do I run the simulation for multiple values of firing angle and save the results of each simulation?" If...

3 years ago | 0

Answered
How to get the output of a controller from MATLAB codes not simulink
I suggest using interconnection functions to build a single system model that has the control input to the plant as one of the o...

3 years ago | 1

Answered
Deriving the transfer function from a data set that has magnitude,phase and omega
Hi George, I plotted the data and it looks like the data comes from a transfer function where the degree of the denominator is ...

3 years ago | 0

Answered
How to subtract ?
Can do this in a loop B = 12; A = [0 1 2 3 4 5 6]; C = 0*A; C(1) = B(1) - A(1); for ii = 2:numel(A) C(ii) = C(ii-1) - ...

3 years ago | 1

Answered
How can I have for loop show me each histogram it created rather then play it like a movie?
What happens if you put the command hold on after the figure(3) line?

3 years ago | 1

Answered
discrete TF ""the order of the denominator must be greater than or equal to the order of the numerator""
Hi mahmoud. Q(z) can't be implemented in Simulink. If the model has another element, call it P(z), in series with Q(z), then t...

3 years ago | 0

Question

Where is the Documentation for Indexing on the Left Hand Side of an Assignment?
I recently ran into something like this: x = [1 2 3]; x([1 2 1]) = [10 20 30] So it looks like the second index of 1 on the L...

3 years ago | 1 answer | 0

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answer

Answered
How can my code, which collects bad data with 'cellfun' and 'try, catch', be improved?
Have func() return a logical with true indicating the file is bad and false indicating the file is good. In this case we'd have...

3 years ago | 0

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Answered
How to ROUND the elements of cell array?
% example data rng(100) child.x ={rand(1,3)}; format long child.x round(child.x{1},3)

3 years ago | 0

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Answered
Avoid slprj folder and slxc files
Possibly can be done via Simulink preferences. Try this doc page, particularly the section on "Folders for Generated Files."

3 years ago | 1

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Answered
Functions only plotting out to x=5
fplot doesn't take t as the first argument as would have to be done for plot. Actually, I guess it can, but it's superfluous. In...

3 years ago | 0

Answered
Huge difference between the result of fft function Matlab and analytical Fourier transform of the same function
Can't say for sure w/o seeing the code, but I supsect the fftshifted curve will be close to the blue curve if you mulitply the f...

3 years ago | 0

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Answered
How should I plot the function (sqrt(1 + x) - 1) / x using the values x = 0.1, 0.01, 0.001, ..., 10^-20?
Hi Jackson, If you want x to from -1 to -20 you have to put the stride of -1 in the colon operator, otherwise it uses the defau...

3 years ago | 0

Answered
i am trying to get the value of u_E using the equation, but matlab says it has error in that line which has the equation.
Hi kaixi %creat symbol for axial force, length, thickness, displacemnent and width syms f l t d w %define governing equations...

3 years ago | 0

Answered
Need help understanding where to use the . when writing equations.
HI Mark, The . (dot) is part of the symbol for the operator. In other words. .* is a two-symbol notation for the operator that ...

3 years ago | 0

Answered
Linearization of Non Linear with the editor
Hi Hamza, The code will run after fixing a few things, mostily mismatched dimensions. All I did was get it to run; did not chec...

3 years ago | 0

Answered
Fourier transform of symbolic function
Hi soup, The Fourier transform of x is syms t w; x=sin(2*t); fourier(x) fplot() ignores Dirac delta functions. Because ther...

3 years ago | 0

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Answered
Plotting natural frequency, 0 input, developing transfer function
Hi Brent, The modeling equation as stated does not include a forcing input, so there is no transfer fucntion to speak of. If we...

3 years ago | 0

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,...

3 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...

3 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...

3 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...

3 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

3 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 ...

3 years ago | 0

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

3 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...

3 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...

3 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 ...

3 years ago | 0