Is it possible to have repeated eigenvalues and linearly independent eigenvectors corresponding to the repeated values?

07 August 2016 7,791 12 View

What is the difference between the autocorrelation of a stationary signal and non-stationary signal?

If one takes the autocorrelation of a stationary signal, and then that of a non-stationary signal, then would it be possible to say which one is stationary from the ACFs?

31 December 2014 9,609 5 View

What is the geometrical interpretation of multiplying a matrix by the inverse of another matrix?

What happens geometrically when one multiplies a matrix A by the inverse of a matrix B?

31 December 2014 5,200 5 View

What is the advantage of multivariate change point detection over univariate change point detection?

In a multivariate time series, what extra information does performing multivariate change point detection provide than performing univariate change point detection of individual time series? Both...

11 December 2014 5,439 3 View

How should I handle zero R2 values?

Consider a time series (stationary or non-stationary). I fit a linear model of order 0, i.e., an intercept to the data. In the stationary case, this corresponds to the mean. Now, when I calculate...

10 November 2014 7,015 13 View

How can one identify a wrong parameter in a state space model?

I have a state space model - linear or non-linear. I know that there is (are) wrong parameter(s) in the model (the model structure is correct though). Is there a method to isolate the wrong...

09 October 2014 2,513 6 View

What is the discrete equivalent of complex conjugate poles on imaginary axis for continuous case?

If there are complex conjugate poles on the imaginary axis (+jw and -jw) for a continuous system, what would be the location of the poles of the equivalent discrete time system?

08 September 2014 4,124 5 View

What measures exist for characterising and classifying segments of data acquired over a period of time?

I have measurements from a system over a long period of time. During this time, the system has been in different states (for example, different controller tuning configurations). Now, looking at...

07 August 2014 3,337 7 View

Performance of EKF changes with noise in MATLAB?

When I change the seed of random noise generation in MATLAB, keeping everything else fixed, the performance of the EKF and also UKF (MSE, ACF of the estimation errors, etc.) changes every time....

01 February 2014 1,604 16 View

What is the effect of DC on fft in MATLAB?

What would be the effect of a dc component on the fft of a signal with time varying frequency content?

01 February 2014 4,364 3 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

Please. Could you help be in implementing Fractal Discrete Cosine Transform algorithm in Matlab?

I do need the Matlab code of Fractal Discrete Cosine Transform (FDCT). Can anyone who has already implement this code, help me with the implementation of this transform?

24 February 2021 5,602 2 View

D2D implementation in Matlab in Vienna LTE software?

Hi Hope you are well. Can you please share your code for D2D implementation in Matlab. I want to implement D2D in Matlab based Vienna simulator and struggling to deploy D2D. Thanks

24 February 2021 9,378 3 View