Answered
I should convolve my signal with which function to have the signal itself?
Hi Donya, dirac is only defined in the Symbolic Math Toolbox and so should only be used for symbolic math, and only for continu...

etwa ein Monat ago | 0

Answered
Error when taking the continuous time Fourier transform
Using some examle data ... A = 1:5; std_A = 11:15; syms t w real f(t) = sum(exp(-t./A))*heaviside(t) std_ft(t) = sqrt(sum((...

etwa ein Monat ago | 0

| accepted

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...

etwa ein Monat 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...

etwa ein Monat 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 ...

etwa ein Monat ago | 0

| accepted

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 ...

etwa ein Monat ago | 0

| accepted

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.

etwa ein Monat 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...

etwa ein Monat ago | 0

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

etwa ein Monat ago | 0

| accepted

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...

etwa ein Monat 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...

etwa ein Monat ago | 0

Answered
Sensitivity analysis in simulink
This page might be of interest.

etwa ein Monat 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...

etwa ein Monat 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]...

etwa ein Monat ago | 1

| accepted

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...

etwa 2 Monate ago | 0

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

etwa 2 Monate 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 .... ...

etwa 2 Monate 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(...

etwa 2 Monate ago | 0

| accepted

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...

etwa 2 Monate ago | 2

| accepted

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...

etwa 2 Monate ago | 0

| accepted

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 -...

etwa 2 Monate ago | 1

| accepted

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...

etwa 2 Monate ago | 1

| accepted

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. ...

etwa 2 Monate 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...

etwa 2 Monate ago | 1

| accepted

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(...

etwa 2 Monate ago | 1

| accepted

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 + ...

etwa 2 Monate 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...

etwa 2 Monate ago | 0

| accepted

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...

etwa 2 Monate ago | 0

| accepted

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...

etwa 2 Monate ago | 0

| accepted

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...

etwa 2 Monate ago | 0

| accepted

Load more