Answered
How to model second order nonliniar in simulink
Hi Barak Bar-on, I depends on the form of the matrices and what you consider easy. If you already have a .m function in Matlab...

29 días ago | 0

Answered
how to load this function into simulink
Hi arsal Though not required, you can replace the function making_values_input with a Mux block. Double click on predictActivi...

30 días ago | 0

Answered
Applying an anti-aliasing filter
I think all that we are seeing is the effect of sampling the contiuous signal, nothing to do with aliasing. Let's look at just ...

alrededor de 1 mes ago | 0

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Answered
How to calculate the 95% (area under the curve) of Kernel probability density curve?
The function icdf can find the values of x such that P(X < x) = 0.05 and 0.95. Use those values with xline to add the vertical ...

alrededor de 1 mes ago | 0

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Answered
How to transfer output from simulink into m-file in real time
Asusming the loop only needs the output of the simulation after the simulation completes ... Use the sim command.

alrededor de 1 mes ago | 0

Answered
Using the lowpass function
The only way to suppress the plot output is to specify at least one output argument (or use lowpass() in an expression, like 1*l...

alrededor de 1 mes ago | 0

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looking for a way to find the largest input from 10 signals in simulink
How about the MinMax block?

alrededor de 1 mes ago | 0

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Answered
FFT giving undesired answer
Hi Cole, As you've already accepted an answer, perhaps you already have what you need. But I thought it might be helpful to add...

alrededor de 1 mes ago | 0

Answered
How to use Convolution in Simulink?
I think this model does what you're looking for. Here is the model that uses the convolution sum to approximate the convolution...

alrededor de 1 mes ago | 0

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Sensitivity analysis in simulink
This page might be of interest.

alrededor de 1 mes ago | 0

Answered
Compute Probability of a Multivariate Normal Distribution over Polytope
Hi Michael, If A is nonsingular, perhaps a change of coordinates will work % z = A*x muz = A*mux; Sigmaz = A*Sigmax*A.'; Pr...

alrededor de 1 mes ago | 0

Answered
Warning: Imaginary parts of complex X and/or Y arguments ignored.
Hi Matthew, Why is dhdt the output argument of this line? [t, dhdt] = ode45(@thesis, tspan, [240]); Shouldn't this be [t, h]...

alrededor de 1 mes ago | 1

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Answered
how to inverse transfer function simulink
Hi Stanley. First off you'll need to factor out the exp(-s) and implement that with a Transport Delay block. For the non-prope...

alrededor de 2 meses ago | 0

Answered
Transformation of state space model
It sounds like the Question is about forming a feedback loop. In this case use feedback.

alrededor de 2 meses ago | 0

Answered
How to do Feedback Loop on Simulink with different frequinces
I'm assuming the question is how to run the same simulation multiple times for different frequencies. With this assumption .... ...

alrededor de 2 meses ago | 1

Answered
How to generate all possible vectors where each element can take one of two values
a = [1 2 3]; b = [4 5 6]; n = numel(a); C = mat2cell([a; b],2,ones(1,n)); [D{1:n}] = ndgrid(C{:}); E = sortrows(cell2mat(...

alrededor de 2 meses ago | 0

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Answered
how to find the right frequency axis when we take the Fourier transform of a function?
Hi Donya, By default, the frequency variable for fourier in the Symbolic Math Toolbox is in rad/sec. Also, Matlab definition o...

alrededor de 2 meses ago | 2

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Answered
Pade approximant in Transport delay block
What exactly is the confusion? Increasing the order of the Pade approximant should have no effect on simulation run time or sim...

alrededor de 2 meses ago | 0

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Answered
Discrete values in DFT
Hi Sahil, In general: Let x(t) be a continuous-time signal, i.e., where the inedpendent variable, t, is any real number with -...

alrededor de 2 meses ago | 1

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Answered
matlabFunction() generating intermediate terms that place the integrand outside integral()
A couple of suggestions on the code. As a general rule IMO, it's best to specify all relevant assumptions on the variables. For...

alrededor de 2 meses ago | 1

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Answered
help in runge kutta 4 2nd order with establishing the functions
Ok. Let y1 = q and let y2 = qdot (or y2 = q and y1 = qdot if preferred) Then the first equation we need is y1dot = qdot = y2. ...

alrededor de 2 meses ago | 0

Answered
How to change from scientific form to decimal form using continuous and discrete transfer functions?
Hi Edward, It would be immensely helpful to show a simple example with an actual result and explain what the preferred result w...

alrededor de 2 meses ago | 1

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Answered
Convert sym to double
Hi @Mark, The first problem with the code is in this area W=zeros(1,len); for i=1:len m=mn{f}(i) W(...

alrededor de 2 meses ago | 1

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Answered
Function solve cannot find explicit solution with 'ReturnConditions'=true but it finds when it is false
Verifying same behavior in 2022a syms t2 t a b ab at bt a2 b2 N x T T0 k assume(N ~= 0 & T ~= 0 & k ~= 0) eq1 = ab == a2*x + ...

alrededor de 2 meses ago | 0

Answered
simplify function does not work properly
Consider a simpler case syms x y term1 = x - 1; term2 = y - 2; eq = term1*term2 assume(term1*term2 == 0) simplify(eq) sim...

alrededor de 2 meses ago | 0

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Answered
Closed form not the same as the discrete form
Hi Tworit, I'm not quite following how the code is trying to implement equation 41 from the linked page. Here is one way to cre...

alrededor de 2 meses ago | 0

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Answered
Removing all elements from a struct field
Does rmfield meet the need? % create a struct for example for ii=1:13 aap.acq_details.sessions(ii).name = ii; end aap.acq_d...

alrededor de 2 meses ago | 0

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Answered
Graphs using ode45 do not look like they should. Why is time vector not a linear set?
Hi Josh, Maybe the plots are deceptive. Running the code exactly as given, except for the plotting, shows that v is the derivat...

alrededor de 2 meses ago | 0

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Answered
FT and Amplitude Phase plot in matlab
The code as shown has at least two issues. When using symbolic math, need to declare variables appropriately syms t w real Bec...

alrededor de 2 meses ago | 1

Answered
Add Fields to an existing Structure
S.Level0=0; f = {'SubLevel0','SubLevel1','SubLevel2','Text'}; cvar = '1234'; S = setfield(S,'Level1',f{:},cvar); S.Level0 S...

alrededor de 2 meses ago | 2

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