A common forum for all branches of applicable Mathematics | Contact experts in Applied Mathematics to get answers
1,550 views 1,284 posts
Questions related to Applied Mathematics
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 1,385 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 3,700 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 9,873 4 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 5,457 13 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
03 March 2019 1,715 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 9,649 6 View
For example: max -1/3x1+x2 subject to 1) -x1+x2
03 March 2019 1,053 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 1,669 5 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 389 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 8,025 20 View
interesting research areas in applied mathematics
02 February 2019 7,665 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 3,676 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 958 1 View
I would be very grateful if someone guide me in constructing an ellipsoidal uncertainty set for an uncertain right-hand side vector of demands, in the Robust Optimization(RO) paradigm. Assuming...
02 February 2019 7,787 1 View
I have a very basic, but important question regarding the Ben-Tal, Robust Counterpart (RC), methodology. What is the mathematical justification, for solving a dual version of the semi-infinite...
02 February 2019 4,397 3 View
applied mathematics
02 February 2019 6,332 2 View
Hi, I'm modeling rate equations describing an optical feedback effect back into laser cavity with a target in harmonic motion, to get its steady-state laser output. (lags are in harmonic motion)...
09 January 2019 384 5 View
These days Hyers-Ulam stability is an active area of research. The notion was arise from the answer of Hyers to the famous question of Ulam. Many research articles deal with Hyers-Ulam stability...
01 January 2019 4,814 3 View
for linear control systems x_dot=Ax+Bu the reachability set can be calculated using the Image of the controllability matrix, i.e R=([B AB A^2B,....,]) and reachability set=Im(R) when rank(R)=n,...
01 January 2019 1,961 3 View
I could use the model and then compare it with the data I collect in the different soil compositions.
01 January 2019 8,144 6 View
Purpose of the post: I'm struggling to understand the significance of the fat-tailed distribution especially in career choice. 80000hours career guide argues that the more accurate distribution...
01 January 2019 602 8 View
One of the main stability theories for stochastic systems is stochastic Lyapanuv stability theory, it is the same as Lyapanuv theory for deterministic systems. the main idea is that for the...
01 January 2019 4,397 4 View
Imagine we have an ODE system x_dot=[f1(x,u), f2(x,u), f3(x,u),....fn(x,u)] where f1,..,fn are nonlinear functions of control input u and states x, x is member of R^n and u is member of...
01 January 2019 7,544 6 View
01 January 2019 3,035 4 View