# Differential Equations Forum

Differential Equations Help Forum

1. ### DE Tutorial - Part IV: Laplace Transforms

• Replies: 1
• Views: 5,139
Feb 9th 2011, 12:56 AM
2. ### DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

• Replies: 5
• Views: 23,088
Mar 15th 2010, 01:44 PM
3. ### DE Tutorial - Part III: Systems of Differential Equations

• Replies: 2
• Views: 4,920
Aug 29th 2009, 10:03 PM
4. ### DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

• Replies: 4
• Views: 7,842
Dec 27th 2008, 09:56 AM
1. ### dy/dx = (x - e^-x)/(y + e^x)

• Replies: 18
• Views: 1,405
Nov 9th 2011, 09:52 AM
2. ### PDE of Lagrange type

• Replies: 2
• Views: 361
Nov 9th 2011, 08:49 AM
3. ### How to solve d^2y/dx^2 = k^2y

• Replies: 5
• Views: 2,945
Nov 8th 2011, 01:07 PM
4. ### Second order nonlinear nonhomogeneous differential equation

• Replies: 2
• Views: 1,709
Nov 7th 2011, 04:51 AM
5. ### Help with a Laplace Transform Problem

• Replies: 1
• Views: 524
Nov 6th 2011, 09:01 PM
6. ### Differentiate n times

• Replies: 2
• Views: 2,991
Nov 6th 2011, 07:16 PM
7. ### How to obtain w and Natural frequency as solution of unknown time function?

• Replies: 2
• Views: 869
Nov 6th 2011, 05:29 AM
8. ### Finding exact solution and using Eulers Method

• Replies: 2
• Views: 1,148
Nov 6th 2011, 05:21 AM
9. ### Cauchy-Schwarz inequality

• Replies: 3
• Views: 913
Oct 24th 2011, 03:07 AM
10. ### Systems of linear Differential Equations

• Replies: 2
• Views: 831
Oct 24th 2011, 03:05 AM
11. ### Application of a Differential Equation

• Replies: 1
• Views: 638
Oct 23rd 2011, 11:54 PM
12. ### Properties of Power Series

• Replies: 4
• Views: 921
Oct 23rd 2011, 08:21 PM
13. ### Second degree differential equation

• Replies: 11
• Views: 1,920
Oct 23rd 2011, 05:29 PM
14. ### Help with a first orded nonlinear ODE.

• Replies: 0
• Views: 430
Oct 23rd 2011, 02:55 PM
15. ### Poisson summation

• Replies: 1
• Views: 597
Oct 23rd 2011, 02:28 PM
16. ### First Order Perturbation Theory help

• Replies: 0
• Views: 545
Oct 23rd 2011, 01:17 PM
17. ### Show solution of y=x*p + f(p) is y=cx+f(c), with p = dy/dx

• Replies: 5
• Views: 1,010
Oct 22nd 2011, 12:43 PM
18. ### Why 3rd ODE could be simplified to a 1st ODE?

• Replies: 0
• Views: 695
Oct 22nd 2011, 12:33 AM
19. ### Second order ODE with non-constant coefficients

• Replies: 3
• Views: 1,305
Oct 21st 2011, 08:39 PM
20. ### PDE's : Cauchy Problem

• Replies: 0
• Views: 722
Oct 21st 2011, 11:02 AM
21. ### Fixed point of non-linear system

• Replies: 2
• Views: 1,024
Oct 21st 2011, 09:14 AM
22. ### Differential Equations - Integrating Trouble

• Replies: 3
• Views: 719
Oct 19th 2011, 06:49 PM
23. ### Newton's Law of Cooling Derivation

• Replies: 3
• Views: 3,225
Oct 19th 2011, 02:23 PM
24. ### [SOLVED] Differential Heat Equations Question

• Replies: 4
• Views: 781
Oct 18th 2011, 04:38 PM

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