Multivariable Integration / Nonlinear Differentials

Click For Summary
SUMMARY

The discussion centers on solving the differential equation dv/dt = (k + v²)/h, where k is a constant, and v and h are variables with h being independent of v. The left side of the equation can be integrated using the arctangent function, while the right side requires treating h as a constant since it does not depend on t. The conclusion emphasizes that by treating h as a parameter, one can derive a family of solutions for v as a function of h.

PREREQUISITES
  • Understanding of differential equations and integration techniques
  • Familiarity with the arctangent function and its properties
  • Knowledge of variable dependencies in mathematical functions
  • Basic concepts of parameterization in solutions
NEXT STEPS
  • Study the method of integrating differential equations with variable separation
  • Explore the properties and applications of the arctangent function in calculus
  • Research parameterization techniques in solving differential equations
  • Learn about the implications of variable independence and dependence in mathematical modeling
USEFUL FOR

Students and professionals in mathematics, particularly those focusing on differential equations, as well as educators seeking to enhance their understanding of variable relationships in mathematical contexts.

MrMumbleX
Messages
12
Reaction score
0

Homework Statement


dv/dt = (k+v2)/h


Homework Equations


k is a constant, and v and h are variables where h is independent of v but v is dependent of h (v is a function of h and t).


The Attempt at a Solution


dv/(k+v^2) = dt/h.
The problem I have is with dealing with the right side. I know how to integrate the left side because the left side is arctangent, but I don't know what to do with the right side.
h is independent of t, so i was thinking I can treat it as a constant here? so the right side becomes t/h?
 
Physics news on Phys.org
Do you know now the form of h?
 
h does not depend on v but v depends on h? The real question is "does h depend on t or vice-versa?" If not, then you are really saying that h is treated as a parameter.

Just treat it as a constant. You will get a family of solutions depending on the parameter h.
 

Similar threads

Replies
2
Views
2K
Replies
2
Views
1K
Replies
2
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 22 ·
Replies
22
Views
3K
  • · Replies 5 ·
Replies
5
Views
2K
Replies
11
Views
2K
Replies
4
Views
4K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K