How can extract the roots of an Ill-conditioned matrix with complex elements?

Hi everybody. I have a problem with solving the characteristic equation of an acoustic absorption coating. I have a 4*4 matrix that its determinant must be solved and the answer (the roots of the...

31 December 2019 7,048 3 View

How to use MOSFET for IV measurement?

Respected sir, We are making IV measurement setup. To the Gate of MOSFET, we give voltage in steps (VGS). and at the same time, we check the voltage at drain (VD) w.r.t. ground. It is varying but...

06 March 2019 6,394 1 View

Please suggest some nanoparticles whose chages drastically before and after oxidised state?

Please suggest some nanoparticles whose chages drastically before and after oxidised state? Also, suggest methods of sysnthesis.

02 December 2018 9,522 5 View

Hi all dears, Anybody can help me to define a specific curve in abaqus part modeling?

I need to define functional curve (I mean a curve which define with a function like as A*Exp(bz) or y=x^3+3x^2-4) for optimization goal. I must write a script and change the curve to optimize the...

11 September 2018 5,120 4 View

How the optical and electronic band gaps are different?

How the optical and electronic band gaps are different?

14 October 2017 8,922 3 View

What causes that a matrix has a large condition number?

26 September 2017 7,275 4 View

Solvation in c++?

Dear colleagues, I'm beginner in C++ programming, I've coded a c++ program to solvate (hydrate) a structure (carbon nanotube for instance). Would you please check it out and give me your comments...

03 February 2017 7,152 9 View

MPI error running LAMMPS?

20 November 2016 7,494 3 View

Where is it possible to buy a polarizer device for a FT Raman spectrophotometer equipped wit Nd:Yag lazer source?

We need a polarizer devise to measure the depolarization ratio.

07 February 2016 686 4 View

Could all atoms zero partial atomic charge be an option for charge equilibration (QEq) method as implemented in LAMMPS?

03 November 2015 7,442 4 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Is there any available free access High Performance Computing (HPC) servers with GROMACS?

I would like to run a Molecular Dynamics (MD) simulation using GROMACS in a high-performance computing server. Is there any freely available one out there? If yes, please do not fail to make...

16 February 2021 2,593 3 View

Are cloud points able to identify tree species?

Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful

15 February 2021 3,475 3 View

Can I use the CHARMM GUI input files for Gromacs in HPC?

Good day everyone! I am a Biochemistry undergraduate in the Philippines and to be very honest, we have no background in bioinformatics since we really focused on wet lab techniques + theory. Due...

15 February 2021 3,422 4 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 View

How to choose the Hidden Layers Number and RBM Size in a DBN network?

Hello, When using a Deep Belief network (DBN) for images classification, how could we choose the number of hidden layers (number of Restricted Boltzmann Machines) and nodes (RBM size) in a hidden...

09 February 2021 4,618 5 View

Infinite order of Laguerre?

If Lmn(x) is the Laguerre polynomial of order m and degree n Is there a means of computing Lmn(x) for 1) m goes to infinity 2) n goes to infinity

08 February 2021 6,320 4 View

Is there any similarity index between two time series?

Hi We have two time series dataset. For example mean daily temperature from two stations. Each of them have 30 data for a month. T1={ t1 , t2 ,... , t30 } T2={ t1 , t2 ,... , t30 } Now we want to...

06 February 2021 6,434 7 View

What is the nature of this algorithm?

What is the kind of this algorithm; Input : square matrix Objective function = minimization of total movements cost of matrix based on permutative manner Constrains : Lower and upper bound of the...

04 February 2021 2,050 3 View