Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

How to define a new PDE in COMSOL?

(Note: Problem Solved) I am trying to define the phase field equation in the picture, using Coefficient form (or maybe convection-diffusion) PDE in COMSOL. However, I have a problem defining the...

06 January 2021 3,790 9 View

I need suggestions about my submitted manuscript which is taking abnormally long time?

Dear all I hope you are doing great and healthy. My question is about the abnormally long time being taken by the peer-review process of my submitted manuscript. I submitted my article in July...

21 December 2020 1,432 4 View

Why the number of secondary depressions on existing chromosomes varies?

Why the number of secondary depressions on existing chromosomes varies?

15 November 2020 9,614 3 View

What should I interpret from the following TGA curves?

I have coated my adsorbent with SiO2 layer using Stober's method. I have performed the TGA for both the samples and as you can see from the images attached, they are completely different. From...

31 October 2020 9,390 9 View

How can I couple x-coordinates with y-z coordinates in COMSOL?

Hi, I want to couple x-coordinates with y-z coordinates so that the shape of the whole plate looks same movement. For example, if cross-section of the plate i.e. y-z axis shows deflection then...

25 September 2020 5,941 3 View

What is the best method for commercial production of Astaxanthin from Haematococcus pluvialis?

Dear Friends, I'm looking for a reference that has extensively explained the best method to increase the biomass of Haematococcus pluvialis algae as well as the extraction of Astaxanthin from it....

30 August 2020 2,920 3 View

Which parameters to look in the Baseline report to determine the worst Cytometer for an harmonization?

I would like to harmonize different cytometers because I have a lot samples to analyze. To perform this harmonization I need to know which device is the least efficient? Could someone tell me...

09 August 2020 5,529 4 View

Which journal do you suggest for publishing a crystal structure report?

Which journal do you suggest for publishing a crystal structure report?(it is better that the journal bee in JCR and free of charge)

27 July 2020 312 18 View

What are you think about advantages and disadvantages of stay at home during the Covid 19 epidemic?

10 June 2020 7,108 22 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

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 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

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

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

What program can I use to caclulate dipole moment efficiently and without the need of excessive computation?

Hi, I am a third year chemistry undergrad doing my group project in which I need to predict the HPLC retention time of 20 aromatic molecules. to do this we require the chemical properties of these...

24 February 2021 1,384 3 View

Does anyone ever solved this following Matlab error : "Error using imaqdevice/start (line 95) pointgrey: Failed to stop the camera acquisition." ?

I use Matlab 2014b to capture some images with a PointGrey camera connected with USB3 port. I initialize the camera in a function which basically execute these followed lines : vid =...

22 February 2021 6,386 1 View

How to build fouling and erosion simulation model for Aero Engine compressor and turbine rotor in Simulink / Matlab?

How to build fouling and erosion simulation model for Aero Engine compressor and turbine rotor in Simulink / Matlab?

22 February 2021 3,697 1 View