Looking for Friend to Discuss Differential Equations

AI Thread Summary
A new member seeks a friend to discuss differential equations, specifically interested in applications like predicting the horizontal range of a projectile. They prefer communication via WhatsApp or Zoom and mention being at an introductory level. The forum advises against personal connections for privacy and safety reasons, suggesting instead to explore local math clubs or online resources like Khan Academy. Additionally, it notes that deriving projectile motion equations does not necessarily require differential equations unless air resistance is considered. The member is encouraged to engage with existing threads or start a new one in the Homework Help forum for further assistance.
Ultra
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[Mentor Note -- This thread start is by a new member from the recent MHB forum merger]

Hello Guys, I want to find a friend with whom I can discuss differential equations!

I would like to do that via WhatsApp or zoom applications.
I am interested in applications of differential equations ( for example right now I would like to discuss with someone on how to drive a formula that can predict horizontal range of a projectile fired parallel to the ground.)

Notice: I am 37 years old and I am in introductory level (it might be disappointing for you to discuss with me if you have a deep knowledge of differential equations!)

If you are interested let me know I will find a way to contact you :)
 
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Welcome to PF (via the merger with MHB)! :smile:
Ultra said:
I want to find a friend with whom I can discuss differential equations!
PF is not really the place to arrange personal connections outside of the open forums. This is for privacy reasons and for anti-phishing reasons. I will move this thread from the technical math forums to the General Discussion forum and close it for now.

In addition to the suggestion above by @jedishrfu you might also check out your local community colleges to see if they have math clubs that meet regularly -- that is a good way to start to make personal local contacts with like-minded folks. Best of luck! :smile:
 
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Ultra said:
for example right now I would like to discuss with someone on how to drive a formula that can predict horizontal range of a projectile fired parallel to the ground.
FYI, unless you are wanting to include air resistance, you don't need DEs to derive the motion equations for a projectile under the influence of gravity near the Earth's surface. Please read through the threads in the Homework Help, Introductory Physics forum (and do a PF Forum Search for such threads).

If your reading of previous threads does not answer that question, go ahead and start a new thread in the Homework Help, Introductory Physics forum to discuss some typical problem that you have found that you are having trouble solving. As always, when you start such a thread, post links to the reading you have been doing about it, and show your best efforts to work on the problem. You will get great help here. :smile:
 
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Hey, I am Andreas from Germany. I am currently 35 years old and I want to relearn math and physics. This is not one of these regular questions when it comes to this matter. So... I am very realistic about it. I know that there are severe contraints when it comes to selfstudy compared to a regular school and/or university (structure, peers, teachers, learning groups, tests, access to papers and so on) . I will never get a job in this field and I will never be taken serious by "real"...
Yesterday, 9/5/2025, when I was surfing, I found an article The Schwarzschild solution contains three problems, which can be easily solved - Journal of King Saud University - Science ABUNDANCE ESTIMATION IN AN ARID ENVIRONMENT https://jksus.org/the-schwarzschild-solution-contains-three-problems-which-can-be-easily-solved/ that has the derivation of a line element as a corrected version of the Schwarzschild solution to Einstein’s field equation. This article's date received is 2022-11-15...
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