A common forum for all branches of applicable Mathematics | Contact experts in Applied Mathematics to get answers
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Questions related to Applied Mathematics
Hello, I submitted a short communication to the "Operations Research Letters" the 8th of July 2019. After some days awaiting for an editor to be assigned, it got to the "with the editor" stage. It...
26 August 2019 715 4 View
Any experience with using GAMS for AC load flow? Is GAMS suitable for AC load flow? Which solver do you use for it? Thank you
13 August 2019 171 14 View
I have a set of dependent variables that are numeric / continuous non linear data. My independent variable (response variable) is also a continuous data but I have binarized it and made it ordinal...
12 August 2019 8,800 2 View
As you know, the null space of a matrix A is the set of vectors that satisfy the homogeneous equation Ax=0. To find x (as the null space of A), I wrote two optimization models as below. I know,...
08 August 2019 8,631 20 View
I have registered for conference well held in Singapore from 9-10 September 2019 I want to ask if this event is a real event. Name of event: International Conference on Applied Mathematics and...
05 August 2019 2,900 5 View
The Diffusion Equation in 2d rectangular coordinates is: dc/dt = D(d^2c/dx^2 + d^2c/dy^2), where c is the concentration, and D is the Diffusion Constant. A fundamental solution of this 2d...
19 July 2019 3,550 8 View
Dear colleagues , If you consider a "complete dense" multivariate polynomial, Is there exists a Horner factorization scheme like for a classical polynomial ? (by "complete-dense", I mean all...
07 July 2019 8,657 5 View
Hi, This is my first question here, so please apologise me if something is amiss. I have two curves such that Wa = f(k,Ea,dxa) and Wb = f(k,Eb,dxb). I need to minimize the area between these two...
07 July 2019 1,623 7 View
Suppose you are a professor of Applied Mathematics in the numerical analysis trend in the interview and you want to identify the best volunteer as your student. I want to know what questions did...
06 June 2019 1,319 1 View
The average human life expectancy is about 70 years at the moment, does anybody know how much information will be recorded through the senses during this time? For a rough idea, we can consider...
06 June 2019 1,400 3 View
More specifically, I have a table with multiple rows and 3 columns. The 3 columns of each row are combined through an unknown function, which produces the output. Could you please tell me what's...
05 May 2019 3,712 3 View
A simple example is explored in attached pdf by building a matrix a with given user rating and movie claasification and weights , but we do not seem to recover our original data components , hence...
05 May 2019 9,897 4 View
I am looking for a reference book on linear algebra that uses linear maps instead of matrices and uses Einstein summation notation. Thanks in advance for your help. Regards, Zubair
19 March 2019 2,200 11 View
I would like to do work on quantum gravity. But general relativity is not complete. So if i want to do work on GRT. I am beginner for this course. GRT fails in few aspects. Any one suggest me...
03 March 2019 5,473 13 View
03 March 2019 1,740 11 View
Greetings, Completing Bachelors in Engineering this June'19, I thought I'd start with Masters/PhD in Gravitational Physics this fall but I received rejections from almost every graduate school I...
03 March 2019 9,665 6 View
For example: max -1/3x1+x2 subject to 1) -x1+x2
03 March 2019 1,068 19 View
Dear scientists, Hi. I am working on some dynamic network flow problems with flow-dependent transit times in system-optimal flow patterns (such as the maximum flow problem and the quickest flow...
03 March 2019 1,682 5 View
My purpose is to calculate how much fuel is lost per year in traditional IC engines due to stopping on signal or stuck in traffic jams.
08 February 2019 4,946 4 View
Is it rational if we assume numbers between 1 and 2 , 2 and 3, etc. ? In my opinion, Fuzzy BWM isn’t a good method specially for large scale problems. What do you think?
02 February 2019 400 2 View
Scientists are holding a lot of experience ,and using scientific methods better than politicians and military personal ,but unfortunately they cannot hold positions,but singapore is good example,...
02 February 2019 8,042 20 View
interesting research areas in applied mathematics
02 February 2019 7,680 2 View
Dear All, I am hoping that someone of you have the First Edition of this book (pdf) Introduction to Real Analysis by Bartle and Sherbert The other editions are already available online. I need...
02 February 2019 3,698 19 View
Dear community, I am looking for a numerical method to calculate the volume of the intersection of more than two cylinders in any angle (not just 90° (Steinmetz Solid)). There is an old...
02 February 2019 969 1 View