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0 votes
1 answer
26 views

Can we solve the functions describing the bend of a cable at rest fixed at two positions?

Assume we have a cable which endpoints is attached to two points at $(x,h)$ and $(x+\Delta_x,h)$. Further assume it has some mass density distribution, $\rho(m),m \in [0,l]$ and is of some length $l ...
mathreadler's user avatar
  • 26.1k
1 vote
0 answers
100 views

What are some example use cases for Newton's Method being extended to higher dimensions?

I'm currently working on a project to attempt to optimize a program that runs Newton's Method in higher dimensions - the actual computer science isn't important. However, what is a lot more important ...
Robin Aldabanx's user avatar
0 votes
0 answers
24 views

what is the meaning of eigenvalue of Dirichlet laplacian in the real life (physics...) [duplicate]

I am asking a question that I have already asked, but which did not have any success for the answers let $\lambda_{1}(\Omega),\lambda{2}(\Omega),\lambda_{3}(\Omega)...$ the eigenvlues of the laplacian ...
Bernstein's user avatar
  • 704
2 votes
0 answers
76 views

whats is the applications of the minimization of eigenvalue in the real life ( physics,the natural sciences...)

let $\lambda_{1}(\Omega),\lambda{2}(\Omega),\lambda_{3}(\Omega)...$ the eigenvlues of the laplacian Operator with Dirichlet condition on the boundary on $\Omega $ the classical spectrale optimisation ...
Bernstein's user avatar
  • 704
3 votes
0 answers
30 views

Projection of sparse weighted graph into $\mathbb{Z}$

Problem statement in the title is simplified and this question is actually quite open-ended: I have a sparse undirected simple weighted graph $G$ and need to find an injective function $G \rightarrow \...
Joshua Gensler's user avatar
0 votes
0 answers
40 views

Details on an anecdote about optimizing with boundary conditions (the highest point in Florida)

Back in my undergraduate days, as a motivational example in real analysis for the importance of checking boundary conditions when doing global optimization, my professor related a story about how ...
MichaelChirico's user avatar
2 votes
3 answers
4k views

"Nice" applications of Lagrange multipliers

What are some 'nice' real-world applications of Lagrange multipliers that could be used to motivate the concept to students in an introductory optimization course? I like the pressure as a Lagrange ...
user66081's user avatar
  • 3,997
1 vote
0 answers
41 views

A question about fuzzy differential (Hukuhara and Generalized Hukuhara Diffrentiability): [duplicate]

I know this question has no relevance to the analysis, but it seems some friends about all the information they contain mathematical topics. So please forgive me I have a question about about fuzzy ...
a.a's user avatar
  • 59
3 votes
1 answer
482 views

Building a highway at the minimum cost

I am asked the following question: You are responsible for building a highway that connects A to B. There's an old highway 50 miles south that can be restored at the cost of \$300.000,00 per mile. ...
bru1987's user avatar
  • 1,927
3 votes
3 answers
289 views

Applications of chemical reaction networks

I have recently read a bit on chemical reaction network theory. I was wondering whether the mathematical concepts have cross-field applications like neural networks. For example, can I apply chemical ...
AdiPiratla's user avatar
0 votes
1 answer
2k views

Optimization problem, finding the dimensions of the container of least cost.

A closed rectangular container with a square base is to have a volume of $2000$ cubic centimeters. It costs twice as much per square centimeter for the top and bottom as it does for ...
Jack's user avatar
  • 151
1 vote
0 answers
63 views

How to plan a ride by several buses?

Given a source location and a destination location, and an acceptable range of departure times, or an acceptable range of arrival times, and a schedule of available bus routes (e.g. http://www....
Tim's user avatar
  • 47.7k
0 votes
1 answer
972 views

In optimization, what is the point of finding argmax of a probability density function?

For example, I am given a line fitting problem Find pair $(a,b)$ that best fits $y_i = ax_i + b + z_i$, where $z_i$ is iid gaussian noise Why would we try to find: $(a^*, b^*)$ = argmax $\ p_{x,y}(...
Fraïssé's user avatar
  • 11.3k
5 votes
1 answer
723 views

Who knows Krotov's Method in Optimal Control Theory

I'm finishing my PhD thesis about applications of optimal control theory in the field of energy harvesting. In the course of my PhD I dealt with different ways to compute optimal controls, and I found ...
Rafael Rojas's user avatar
1 vote
1 answer
1k views

Optimisation Problem for Pipe Nesting

I work in a company where we are supposed to produce and send pipes using trucks to buyers. Pipes of smaller diameter can be nested inside pipes of larger diameter while sending to minimize number of ...
Shobhan Taparia's user avatar

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