Answered
Determining highest power frequency in noise signal
Hi Walter, The original code in the question subtracted the mean of the entire signal (T), not the mean of just the portion to ...

3 years ago | 0

Answered
Multivariable Zeros using Generalised Eigenvalue Problem
Is tzero what you're looking for?

3 years ago | 0

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How do i delete the spaces that are in the middle of a string array?
replace seems to do the trick Single char: str=' 123 456 '; replace(str,whitespacePattern,'') Cell array of chars rep...

3 years ago | 0

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diffrent plots if I add the command assume (0<=t) why ?
I suggest getting in the habit of using heaviside for problems like this syms t f_t3 = cos(12*t)*exp(-0.4*t)*heaviside(t); f_...

3 years ago | 1

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44.1 kHz Sample Rate
The main question is: why is there a magnitude peak, even after the signal has been filtered? If the input to a stable, linear ...

3 years ago | 1

Answered
Introduce step signal after system response
Hi mikel, No need to use ode45 for this particular problem. The delayed step response with initial conditions can be obtained a...

3 years ago | 1

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Answered
What is the use case for ifft's trailing zero padding? Why is that the default?
Hi Kevin, I think the title question is misleading. The result of zero padding ifft is not incorrect. It does exactly what it c...

3 years ago | 1

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Answered
How to find empirical and estimated (Weibull) probability density
fitdist might do the trick for fitting the distribution

3 years ago | 0

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Answered
unexpected object of type 'RootOf'
I'm going to speculate that the denominator of Zges*rect in Aufheiz6Var is of too high of an order for the Symbolic Math Toolbox...

3 years ago | 1

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Answered
Changing delay length to solve algebraic loops
Refering to the block diagram at the top of the question .... Would it be correct to replace the IC block with a Constant block...

3 years ago | 0

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Answered
Calculate Impedance of circuit using laplace transform.
Assuming that the input voltage has a Laplace transform, you can multiply Zges with the Laplace transform of the input and take ...

3 years ago | 1

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Answered
I am trying to plot this piecewise function using for loop and if statements, yet I keep receiving error message: Array indices must be positive integers or logical values.
Hi Errol, The error message shows up because the code uses g as a subscript into C, and g takes on non-integer values. But g is...

3 years ago | 0

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Using mscohere() on two Signals with different sampling frequencies each
resample might be useful to bring the sampling rates together. Lots of options involved, so probably want to experiment to make ...

3 years ago | 0

Answered
Replacing elements in a vector
array1 = [1 2; 4 2; 5 5; 4 2]; vector1 = [2 1 1 4 3 4]; result = [2 1; 4 1; 3 3; 4 1] result1 = vector1(array1)

3 years ago | 0

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Answered
Creating a string with Permutation
Hi hazmah, Is this what you're looking for? Axes_name = string({'sint0.2';'sint0.5';'sint0.7'}) fold_2 = string({'BCA';'BPCA'...

3 years ago | 0

Answered
Visualising symbols inside the tranfer fcn block in Simulink
Make the Transfer Fcn block a little bit bigger by selecting it and stretching it with the mouse.

3 years ago | 0

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Answered
get specific magnitude response value given a specific frequency from a freqz graph
freqz accepts a third argument that allows the user to specify the desired angular frequencies to evaluate (it must have at leas...

3 years ago | 0

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Why I get two different covariance matrix?
Hi Ali, Perhaps Prof. Ng has some additional assumptions about the data that aren't included in your question. To compute the c...

3 years ago | 1

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Answered
Viewing .slx model figue without Simulink
Can you use Simulink Online ?

3 years ago | 0

Answered
Is it possible to solve multiple linear systems of equations in parallel with one matrix operation?
Hi Bill, pagemldivide introduced in 2022a can do the trick. Whether or not this is really better than the loop .... Aa = [ 0.8...

3 years ago | 0

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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...

3 years ago | 0

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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((...

3 years ago | 0

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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...

3 years 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...

3 years 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 ...

3 years 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 ...

3 years 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.

3 years ago | 0

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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...

3 years 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?

3 years 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...

3 years ago | 0