# Differential Equations Forum

Differential Equations Help Forum

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

• Replies: 1
• Views: 3,961
Feb 8th 2011, 11:56 PM
2. ### DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

• Replies: 5
• Views: 21,775
Mar 15th 2010, 12:44 PM
3. ### DE Tutorial - Part III: Systems of Differential Equations

• Replies: 2
• Views: 3,724
Aug 29th 2009, 09:03 PM
4. ### DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

• Replies: 4
• Views: 6,531
Dec 27th 2008, 08:56 AM
1. ### How to solve d^2y/dx^2 = k^2y

• Replies: 5
• Views: 2,450
Nov 8th 2011, 12:07 PM
2. ### Second order nonlinear nonhomogeneous differential equation

• Replies: 2
• Views: 1,580
Nov 7th 2011, 03:51 AM
3. ### Help with a Laplace Transform Problem

• Replies: 1
• Views: 464
Nov 6th 2011, 08:01 PM
4. ### Differentiate n times

• Replies: 2
• Views: 2,604
Nov 6th 2011, 06:16 PM
5. ### How to obtain w and Natural frequency as solution of unknown time function?

• Replies: 2
• Views: 772
Nov 6th 2011, 04:29 AM
6. ### Finding exact solution and using Eulers Method

• Replies: 2
• Views: 1,044
Nov 6th 2011, 04:21 AM
7. ### Cauchy-Schwarz inequality

• Replies: 3
• Views: 820
Oct 24th 2011, 02:07 AM
8. ### Systems of linear Differential Equations

• Replies: 2
• Views: 726
Oct 24th 2011, 02:05 AM
9. ### Application of a Differential Equation

• Replies: 1
• Views: 598
Oct 23rd 2011, 10:54 PM
10. ### Properties of Power Series

• Replies: 4
• Views: 811
Oct 23rd 2011, 07:21 PM
11. ### Second degree differential equation

• Replies: 11
• Views: 1,794
Oct 23rd 2011, 04:29 PM
12. ### Help with a first orded nonlinear ODE.

• Replies: 0
• Views: 392
Oct 23rd 2011, 01:55 PM
13. ### Poisson summation

• Replies: 1
• Views: 542
Oct 23rd 2011, 01:28 PM
14. ### First Order Perturbation Theory help

• Replies: 0
• Views: 492
Oct 23rd 2011, 12:17 PM
15. ### Show solution of y=x*p + f(p) is y=cx+f(c), with p = dy/dx

• Replies: 5
• Views: 934
Oct 22nd 2011, 11:43 AM
16. ### Why 3rd ODE could be simplified to a 1st ODE?

• Replies: 0
• Views: 631
Oct 21st 2011, 11:33 PM
17. ### Second order ODE with non-constant coefficients

• Replies: 3
• Views: 1,203
Oct 21st 2011, 07:39 PM
18. ### PDE's : Cauchy Problem

• Replies: 0
• Views: 666
Oct 21st 2011, 10:02 AM
19. ### Fixed point of non-linear system

• Replies: 2
• Views: 914
Oct 21st 2011, 08:14 AM
20. ### Differential Equations - Integrating Trouble

• Replies: 3
• Views: 635
Oct 19th 2011, 05:49 PM
21. ### Newton's Law of Cooling Derivation

• Replies: 3
• Views: 3,096
Oct 19th 2011, 01:23 PM
22. ### [SOLVED] Differential Heat Equations Question

• Replies: 4
• Views: 647
Oct 18th 2011, 03:38 PM
23. ### [SOLVED] Differencial equation problem?

• Replies: 1
• Views: 751
Oct 17th 2011, 04:33 PM
24. ### spring problem

• Replies: 1
• Views: 360
Oct 17th 2011, 04:30 PM

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