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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 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

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

APA 7th In-Text citations with two references with three authors with the same surname, but four different author?

I have an issue with APA 7th in-text citation. II have two papers where the first three authors are the same, and the fourth is different. I am using the Mendeley desktop app, and automatically it...

02 March 2021 790 3 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View