# Differential Equations Forum

Differential Equations Help Forum

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

• Replies: 1
• Views: 2,881
February 8th 2011, 11:56 PM
2. ### DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

• Replies: 5
• Views: 20,183
March 15th 2010, 12:44 PM
3. ### DE Tutorial - Part III: Systems of Differential Equations

• Replies: 2
• Views: 2,452
August 29th 2009, 09:03 PM
4. ### DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

• Replies: 4
• Views: 4,948
December 27th 2008, 08:56 AM
5.

1. ### Decay of a Decay. Is the diff eqn correct

• Replies: 2
• Views: 493
July 29th 2010, 02:40 AM
2. ### Rankine Hugoniot Satisfy Weak Solution

• Replies: 8
• Views: 539
July 28th 2010, 01:22 PM
3. ### Diff. Equation

• Replies: 1
• Views: 423
July 28th 2010, 10:18 AM
4. ### Unconditionally stable scheme for solving first order system of PDEs

• Replies: 1
• Views: 342
July 28th 2010, 07:45 AM
5. ### [SOLVED] Implicit Differential Problem

• Replies: 7
• Views: 354
July 27th 2010, 10:10 AM
6. ### Proof of Gronwall's Inequality

• Replies: 3
• Views: 1,572
July 27th 2010, 09:01 AM
7. ### [SOLVED] Re-writing higher order spatial derivatives as lower order system

• Replies: 11
• Views: 747
July 27th 2010, 08:56 AM
8. ### Need help solving 2 different differential equations (partially solved, but stuck)

• Replies: 10
• Views: 1,105
July 26th 2010, 05:02 PM
9. ### Spring-Mass system (with damping force AND impressed force). Find Position fcn.

• Replies: 21
• Views: 2,533
July 26th 2010, 04:13 PM
10. ### Express f(t) in terms of unit step functions, then find the Laplace

• Replies: 5
• Views: 1,964
July 26th 2010, 11:04 AM
11. ### Variable Coeff: y' - (x^2)y = 0

• Replies: 3
• Views: 453
July 26th 2010, 04:31 AM
12. ### Differential equation in a distribution space

• Replies: 3
• Views: 598
July 25th 2010, 07:49 AM
13. ### Solve differential equation using "Power Series"

• Replies: 22
• Views: 2,508
July 25th 2010, 07:47 AM
14. ### Taylors approximation problem

• Replies: 2
• Views: 310
July 25th 2010, 12:15 AM
15. ### Carbon dating problem

• Replies: 2
• Views: 774
July 24th 2010, 01:34 AM
16. ### Nonhomogeneous wave equation with vanishing initial conditions

• Replies: 0
• Views: 656
July 23rd 2010, 12:21 PM
17. ### Nonlinear ODE

• Replies: 4
• Views: 408
July 23rd 2010, 10:01 AM
18. ### Equilibrium stable or unstable - differential euqation

• Replies: 20
• Views: 1,558
July 23rd 2010, 08:34 AM
19. ### [SOLVED] Fourier Transform of x^2*sin(x)

• Replies: 25
• Views: 1,062
July 22nd 2010, 03:42 PM
20. ### Simple equation - question

• Replies: 6
• Views: 306
July 22nd 2010, 05:47 AM
21. ### first order ODE problem

• Replies: 1
• Views: 300
July 21st 2010, 08:55 PM
22. ### How to solve non-linear 1st order DE

• Replies: 1
• Views: 510
July 21st 2010, 11:20 AM
23. ### [SOLVED] Tricky Partial Differential problem

• Replies: 16
• Views: 1,039
July 20th 2010, 04:21 PM
24. ### Wave Equation with Gravity

• Replies: 11
• Views: 2,010
July 20th 2010, 11:51 AM
25. ### Analytic soln to a 1st order nonlinera DE

• Replies: 0
• Views: 281
July 20th 2010, 11:05 AM
26. ### [SOLVED] ODE with Driac Delta Function

• Replies: 13
• Views: 500
July 20th 2010, 07:06 AM
27. ### chemical solution

• Replies: 5
• Views: 751
July 18th 2010, 04:27 AM
28. ### Application of Differential Equations

• Replies: 13
• Views: 1,246
July 18th 2010, 03:16 AM
29. ### Seperation of Variables Method

• Replies: 4
• Views: 538
July 17th 2010, 02:56 PM
30. ### Existence of Solutions to ODEs

• Replies: 3
• Views: 501
July 17th 2010, 01:44 AM

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