How to numerically solve NNV equations ?

07 August 2016 4,165 6 View

Matlab FFT code for Kdv equation?

05 June 2016 4,037 1 View

Is it possible to cluster two HP workstations?

11 December 2014 7,980 4 View

Can ayone help with split-step Fourier method for NLS in Mathematica?

Is there any worked examples or literatures are avalilable in order to solve Nonlinear Schordinger equation (NLS) using Split-Step Fourier Method (SSFM) in MATHEMATICA?

04 May 2014 7,206 3 View

Is there a numerical solution for coupled polynomial or transcendental equations in MATHEMATICA?

How can I numerically solve coupled polynomial or transcendental equations using MATHEMATICA?

06 July 2013 1,883 5 View

How to solve the following integration in MATHEMATICA?

How can I solve the following integral in MATHEMATICA 8? It doesn't show any result. \Integral[Cos(2kx) Exp(-(x-x0)^2/w^2)]. Limit varies from -Infinity to +Infinity.

06 July 2013 7,253 5 View

How can I solve Gamma Integrals in Mathematica?

Using Mathematica how can I solve the gamma integrals? For example, \int(x^2\cos(2x)\exp(-x^2)). Limit varies from -Infinity to +Infinity

02 March 2013 7,859 3 View

Surface plot in python.

How can I make a surface plot in python for data that is in external files (having three columns)? I referred to so many links online but it is really confusing.

02 March 2013 9,886 9 View

What is a Lagrangian Density equation?

What is a Lagrangian density equation? For the linear Schrodinger equation, how can we write this Lagrangian density equation?

31 December 2012 8,712 4 View

What are Rydberg atoms?

Can anyone explain what Rydberg atoms are and give some examples from the periodic table?

10 November 2012 163 6 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Image Processing and classification using keras/Tensorflow?

Do you have some recommendations approaches on Image processing and classification of plant diseases using TensorFlow/Keras?

02 March 2021 1,493 4 View