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

5 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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 meses hace | 0

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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...

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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 meses hace | 0