What is the most efficient way of computing the inverse of a very large sparse matrix?

I need to multiply the inverse of a matrix A to another matrix B. If B were to be a vector, I would simply solve a linear system Ax = B to get the product x=inv(A)B. With B being a matrix, I...

29 April 2020 10,001 12 View

What top journals would you recommend that deal with gender relations and protection of family but are not totally feminist?

Many gender or feminist journals are pro-feminist and decline to publish essays that treat gender relations without supporting feminism or which place significant emphasis on the protection and...

12 January 2019 1,759 8 View

What are the challenges & possible techniques for developing Autonomous Learning Robots in a dynamic, stochastic & partially observable environment?

I am working on Autonomous Learning Techniques for robots. Assuming a robot is deployed in an unknown environment, what techniques could help the robot explore this environment and build its own...

15 November 2017 6,988 3 View

How can Machine Learning be applied in Intelligent Tutoring System (ITS)?

By this, I mean how to make an intelligent tutoring system learn a student's approach to questions and understanding based on previous experiences. Having the capacity to know at hand likely...

11 February 2016 3,493 4 View

Does anyone have the English version of the de Saint Venant paper in which he derived the channel model?

I need the English version of this paper which was publish in 1871.

27 August 2015 5,576 2 View

Anyone know how to use bladegen in ANSYS?

I am trying to design a turbine stator with a unique internal cooling structure and I need a way to create the blade in ansys, or import it to ansys for testing. I found ansys has a bladegen...

26 February 2015 3,759 3 View

Does anyone know of any freely available tool (pre- and post-processor) that can be linked to a C++ solver?

I need a well developed pre- and post-processor that can generate complex meshes and provide all the functionalities needed to solve flow problems in it. And also allow visualizations. The goal is...

11 February 2015 2,728 15 View

Does anyone have experience in modeling strategy of relaxation?

Given a PDE model with some constraints restricting the range of values of model quantities, how does one apply the idea of relaxation to such a model? Any idea or references on relaxation idea of...

22 September 2014 1,366 11 View

What condition(s) hold on fluid particles across a line or surface inside a fluid domain?

Consider a 1-D flow along x-axis with z-axis in vertical direction. The fluid domain is bounded below by a fixed bottom at z=b(x) and above by free-surface at z = h(x,t)+b(x), with h= height of...

16 August 2014 7,102 5 View

How to combine SVM and expert system?

How do I combine support vector machine and some kind of expert system method in building a hybrid algorithm for best extracting matching fields in a big pool of data like legal cases for making...

26 June 2014 539 2 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

Does anyone know an alternative product for cardiac Troponin T antibody for Immunofluorescence (Thermo # MA512960)?

We have been using Thermo Fisher anti-cardiac Troponin T antibody for immunofluorescence staining in FFPE mouse heart sections but it was recently discontinued. The literature shows it to be the...

01 March 2021 4,937 1 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

How to assign different material properties to each element in Abaqus ?

Hello, I am writing a python script to generate my model and write the input file. The problem is I have 1000 elements in my mesh and I want to assign different material properties to each...

01 March 2021 9,511 3 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View