# Differential Equations Forum

Differential Equations Help Forum

1. ### DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

• Replies: 5
• Views: 24,521
Mar 15th 2010, 12:44 PM
2. ### DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

• Replies: 4
• Views: 9,171
Dec 27th 2008, 08:56 AM
3. ### DE Tutorial - Part III: Systems of Differential Equations

• Replies: 2
• Views: 6,296
Aug 29th 2009, 09:03 PM
4. ### DE Tutorial - Part IV: Laplace Transforms

• Replies: 1
• Views: 9,396
Feb 8th 2011, 11:56 PM
1. ### 2nd order linear hyperbolic PDE?!

• Replies: 5
• Views: 1,049
Oct 16th 2009, 06:12 AM
2. ### 2nd Order Linear O.D.E. Help

• Replies: 15
• Views: 2,083
Oct 20th 2008, 12:22 AM
3. ### [SOLVED] 2nd Order Linear PDE Canonical Form Query

• Replies: 1
• Views: 953
Aug 23rd 2011, 06:34 AM
4. ### [SOLVED] 2nd Order Linear PDE involving the Div operator

• Replies: 3
• Views: 769
Apr 2nd 2011, 07:31 AM
5. ### [SOLVED] 2nd Order Linear PDE: u_xx+2u_yx+5u_yy-2u_x+u=0 - Elliptic

• Replies: 2
• Views: 518
May 31st 2011, 07:05 AM
6. ### 2nd Order Liner PDE’s Part 1

• Replies: 4
• Views: 965
Mar 26th 2011, 02:28 AM
7. ### 2nd Order Non-Homogeneous DE

• Replies: 13
• Views: 1,361
Jun 11th 2009, 05:20 PM
8. ### 2nd order non-linear ODE, no 'x' term

• Replies: 2
• Views: 653
Aug 26th 2010, 04:50 AM
9. ### 2nd order ODE

• Replies: 1
• Views: 508
Mar 20th 2009, 08:55 AM
10. ### 2nd order ODE

• Replies: 3
• Views: 546
Jan 26th 2010, 06:32 AM
11. ### 2nd Order ODE

• Replies: 7
• Views: 736
Jul 31st 2011, 03:10 AM
12. ### 2nd Order ODE

• Replies: 4
• Views: 872
Jul 17th 2012, 07:52 AM
13. ### 2nd order ODE

• Replies: 5
• Views: 536
Mar 20th 2016, 06:24 AM
14. ### 2nd order ODE (Help)

• Replies: 1
• Views: 985
Oct 18th 2010, 10:15 AM
15. ### 2nd order ODE - Euler Equation

• Replies: 1
• Views: 870
Jul 6th 2009, 09:52 PM
16. ### 2nd order ODE including a quadratic

• Replies: 2
• Views: 654
Dec 31st 2010, 03:36 AM
17. ### 2nd order ODE with a catch

• Replies: 3
• Views: 709
Jun 16th 2011, 03:40 AM
18. ### 2nd order of differential equation.

• Replies: 1
• Views: 850
Mar 13th 2011, 12:55 PM
19. ### 2nd order of ODE of system linear

• Replies: 5
• Views: 470
Nov 5th 2014, 07:05 AM
20. ### 2nd order PDE

• Replies: 1
• Views: 493
May 22nd 2011, 01:15 PM
21. ### 2nd order PDE - help needed

• Replies: 2
• Views: 453
Nov 18th 2009, 03:04 PM
22. ### 2nd Order PDE hyperbolic

• Replies: 4
• Views: 698
Nov 17th 2009, 10:32 AM
23. ### 2nd Order PDE problem

• Replies: 5
• Views: 915
Aug 17th 2010, 12:52 PM
24. ### 2nd order PDE, using transformations...?

• Replies: 3
• Views: 712
Apr 27th 2010, 12:44 PM
25. ### 2nd order with variable coefficients

• Replies: 1
• Views: 733
Jan 13th 2011, 12:56 PM
26. ### 2nd Order, Homog., Reduction of Order

• Replies: 1
• Views: 730
Nov 27th 2011, 06:36 AM
27. ### 2nd order, linear, 1-D, nonhomogeneous reaction-diffusion equation

• Replies: 2
• Views: 1,320
Jun 17th 2011, 11:18 AM

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### non negative integral solution for inequality

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