# Differential Equations Forum

Differential Equations Help Forum

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

• Replies: 1
• Views: 4,305
Feb 8th 2011, 11:56 PM
2. ### DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

• Replies: 5
• Views: 22,162
Mar 15th 2010, 12:44 PM
3. ### DE Tutorial - Part III: Systems of Differential Equations

• Replies: 2
• Views: 4,061
Aug 29th 2009, 09:03 PM
4. ### DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

• Replies: 4
• Views: 6,934
Dec 27th 2008, 08:56 AM
1. ### Question about deleting a value of x.

• Replies: 2
• Views: 527
May 26th 2011, 06:12 AM
2. ### Showing that the energy of a wave doesn't change with time

• Replies: 0
• Views: 699
May 25th 2011, 02:46 PM
3. ### Can't get PDE solution in textbook

• Replies: 3
• Views: 938
May 25th 2011, 11:46 AM
4. ### [SOLVED] Elliptic Canonical Form

• Replies: 2
• Views: 540
May 25th 2011, 07:34 AM
5. ### Two LaPlace Transform problems

• Replies: 4
• Views: 768
May 24th 2011, 04:21 PM
6. ### Laplace of Heaviside function

• Replies: 1
• Views: 805
May 24th 2011, 03:52 PM
7. ### Resistive Force

• Replies: 1
• Views: 1,039
May 24th 2011, 01:36 PM
8. ### Question about unstable equilibrium

• Replies: 2
• Views: 835
May 24th 2011, 10:06 AM
9. ### Regular S-L problem

• Replies: 3
• Views: 545
May 24th 2011, 10:02 AM
10. ### alpha and omega limit sets

• Replies: 3
• Views: 2,656
May 24th 2011, 05:24 AM
11. ### [SOLVED] Separating variables - Wave Eqn

• Replies: 4
• Views: 769
May 23rd 2011, 11:06 PM
12. ### Solving a differential equation using power series

• Replies: 1
• Views: 632
May 23rd 2011, 05:41 PM
13. ### Application of the Black-Scholes equation...

• Replies: 0
• Views: 825
May 23rd 2011, 07:49 AM
14. ### 2nd order PDE

• Replies: 1
• Views: 423
May 22nd 2011, 01:15 PM
15. ### Wave equation (pde)

• Replies: 0
• Views: 589
May 22nd 2011, 11:15 AM
16. ### [SOLVED] second order differential equation for IVP

• Replies: 1
• Views: 673
May 22nd 2011, 09:34 AM
17. ### Finding general solution

• Replies: 3
• Views: 862
May 21st 2011, 06:12 PM
18. ### Second-order linear homogeneous diff. eq. with constant coefficients

• Replies: 4
• Views: 1,062
May 21st 2011, 02:01 PM
19. ### Proof about closed orbits of a planar system

• Replies: 0
• Views: 451
May 21st 2011, 01:07 PM
20. ### 1st order homogeneous

• Replies: 1
• Views: 740
May 21st 2011, 11:34 AM
21. ### Wave equation fundamental solution.

• Replies: 0
• Views: 591
May 21st 2011, 10:18 AM
22. ### [SOLVED] Laplace transform for IVP

• Replies: 3
• Views: 731
May 21st 2011, 07:32 AM
23. ### Variation of Parameters Problems

• Replies: 1
• Views: 495
May 21st 2011, 02:21 AM
24. ### [SOLVED] Heat Equation u_t=ku_xx, k>0

• Replies: 7
• Views: 1,010
May 20th 2011, 12:57 PM
25. ### Second-Order Nonlinear DE

• Replies: 9
• Views: 1,060
May 19th 2011, 11:58 AM
26. ### Using the Heat equation.

• Replies: 12
• Views: 990
May 19th 2011, 10:54 AM
27. ### Need help solving (what method to use)

• Replies: 6
• Views: 675
May 19th 2011, 09:41 AM
28. ### Non-linear DE #2

• Replies: 11
• Views: 939
May 19th 2011, 09:01 AM
29. ### Tricky First Order D.E

• Replies: 4
• Views: 556
May 19th 2011, 07:58 AM

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