Answered
Portfolio optimization -- estimateCustomObjectivePortfolio equivalent in R2021b?
Hi Jeremy, I understand that you need to perform portfolio optimization without using "estimateCustomObjectivePortfolio" funct...

5 månader ago | 0

| accepted

Answered
Update the Kalman Filter in Simulink model
Hi Pham, I understand that you need to update the filter states based on feedback received during simulation. To integrate and...

5 månader ago | 0

Answered
How can I deal with the content of a generalized matrix?
Hi Mario, I understand that you are facing an issue in handling complex numbers to separate the real and imaginary parts withi...

5 månader ago | 0

Answered
Using a newer version of plot (ezplot to fimplicit or fplot)
Hi Joe, I understand the issues you have mentioned, and they can be addressed using “fimplicit” function for plotting the circ...

5 månader ago | 0

| accepted

Answered
Bode Plot and resonant peaks
I understand that you are trying to get bode plot with the given data. You may follow these suggestions: There is a zero at s=...

6 månader ago | 0

Answered
Error: Conversion to logical from sym is not possible
Hi Delia, I understand that you are getting an error since symbolic variable is compared to a numeric value. To resolve this is...

6 månader ago | 0

Answered
Power Spectral Density of a bipolar digital signal
Hi Vlad, I understand you need to plot power spectral density. You may use `pwelch` function that calculates the power spectra...

6 månader ago | 0

Answered
calculate the phase difference error between two waves from the Interferometer which has a 90 degrees phase difference
Hi Sonal, I understand that you are required to estimate the phase shift error ‘ps’ between two waves generated from the output...

6 månader ago | 0

Answered
How to coordinate the power resources based on the cheapest cost using optimization based problem in matlab.
Hi Hossam, I understand that you are required to generate power based on the cost of different sources available. The below st...

6 månader ago | 0

Answered
Question about reformulating a difference equation as a matrix equation
Hi William, I understand that you are asking about the reformulation of difference equation into a matrix equation. Here I a...

6 månader ago | 0

Answered
How to measure impedance in low voltage circuits
Hi Andraz, The similar query has been answered in the attached link which explains the process of linearization workflow in det...

7 månader ago | 0

Answered
Exponential failed Graph of SIR Model
Hi Jose, I understand that your goal is to produce a graph showing a descending exponential trend of susceptible individuals,...

7 månader ago | 0

Answered
Working with time-series data in a Matlab Function in Simulink
Hi Luigi, I understand that you are facing issue in handling timeseries data and performing required tasks on that data. You...

7 månader ago | 0

Answered
3 phase power source change the W variable
Hi Yusuf, From the code you have provided it appears that the parameter ‘Pref’ is set to a string ‘W’ instead of setting it wi...

7 månader ago | 0

Answered
fitting a function of three output
Hi Nadav, I understand you are trying to get optimized values of (N) which are used to compute vector (E) that should match wi...

7 månader ago | 0

Answered
How to set and varry Short Circuit Ratio (SCR) in Grid Tied Inverter System
Hi Shuvra, I understand you want to change the Short circuit ratio to measure grid strength. By changing the grid source pa...

7 månader ago | 0

Answered
Updating fuzzy rules fast
Hi Joseph, I understand that you are looking for efficient method to initialize the consequents of fuzzy rules in your evoluti...

7 månader ago | 0

Answered
I had a question regarding 'transformtraj' function
Hi Gal, I understand that when you ran one of the examples in documentation provided for ‘transformtraj’ you could not get mini...

7 månader ago | 0

Answered
Load connected to delta power supply system
Hi Andraz, I understand that you are trying to get the currents for the balanced delta load. Since it is a balanced load, th...

8 månader ago | 0

Answered
Simscape Controlled Voltage Source not Behaving Properly (R2023b)
Hi Michael, I understand that you are observing erratic behaviour with controlled voltage sources in Simscape could be attribut...

8 månader ago | 0

Answered
How to check, that without the active damping the injected grid current is distorted & with activation of active damping, the injected grid current becomes sinusoidal ?
Hi Siddharth, I understand that injected grid current remains sinusoidal before active damping. It might be due to the paramet...

8 månader ago | 0

Answered
Recovering row reduced matrix given known column information
Hi Zad, I understand that you are trying to reconstruct the original matrix from its reduced row echelon form. When you are...

8 månader ago | 0

Answered
How do i generate a control for an IGBT switch based on voltage difference?
Hi Charles, Firstly, measure the grid voltage where wind turbine is connected. You need to define what level corresponds to no...

8 månader ago | 0

Answered
Need help with set_param
Hi Noah, When you are trying to set the denominator parameter it failed because the format of the string passed to “set_param”...

8 månader ago | 0

Answered
Compiling issue in doing integration of large function containing two variables
Hi Teja, Based on the script which you provided, it is symbolic integration and when the expressions are complicated it ...

9 månader ago | 0

Answered
Find out θ in the cos(wt+θ) = A
Hi Issac, I understand that when the equation is solved using "solve" function it is providing two solutions. Since cosine fu...

9 månader ago | 0

Answered
How to add a disturbance in a state-space model? in Simulink
Hey Aylinne, If you are planning to add disturbance to the existing state space model, augment the matrices B, D in the “State-...

9 månader ago | 0

Answered
How to use PI controller for a particular discrete time step only within the sampling time?
Hi Ahammad, Here I am providing one of the possible approaches which provides the desired result. Set the pulse width of a p...

9 månader ago | 0

Answered
Resampling a signal up and downsample
Hi Jackson, I understand that you need to resample the signal using MATLAB script without using resample function. Here I am p...

9 månader ago | 0

Answered
How to measure mean and standard deviation according to bin size?
You can follow these steps to know the mean value and standard deviation according to bin size. Take each of the 144 columns of...

9 månader ago | 0