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# Forum: Differential Equations

Advanced calculus topics from Diff EQ go here.

1. ### Sticky: Read Before Posting!

• Replies: 0
• Views: 16,164
Ted
10-04-2006, 10:13 PM
1. ### planetary gear outputs

• Replies: 0
• Views: 183
01-20-2019, 03:18 AM
2. ### a first order separable differential equations solution

• Replies: 3
• Views: 401
01-08-2019, 07:02 PM
3. ### Equation of Paths for Second order ODE: d^y/dx^2 - x - 2x^3 = 0

• Replies: 4
• Views: 602
12-10-2018, 08:26 AM
4. ### Second order differentiel equations

• Replies: 3
• Views: 412
12-09-2018, 09:04 AM
5. ### Separation of Variables Substitution

• Replies: 4
• Views: 392
11-28-2018, 04:06 PM
6. ### Calculus of Variations: Find extremal of functional I[y(x)] = ∫(e-x·y′² - ex·y2)dx

• Replies: 0
• Views: 431
11-19-2018, 06:57 AM
7. ### Chebyshev fitting: direct way of fitting same data to lower degree chebyshev pol.?

• Replies: 0
• Views: 525
11-07-2018, 08:15 PM
8. ### Laplace transforms when to use derivative? example: t(e^-t) cos3t

• Replies: 1
• Views: 504
11-06-2018, 05:52 PM

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