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# Forum: Differential Equations

Advanced calculus topics from Diff EQ go here.

1. ### Sticky: Read Before Posting!

• Replies: 0
• Views: 15,862
Ted
10-04-2006, 10:13 PM
1. ### Equation of Paths for Second order ODE: d^y/dx^2 - x - 2x^3 = 0

• Replies: 4
• Views: 449
12-10-2018, 08:26 AM
2. ### Second order differentiel equations

• Replies: 1
• Views: 233
12-07-2018, 02:05 PM
3. ### Separation of Variables Substitution

• Replies: 4
• Views: 209
11-28-2018, 04:06 PM
4. ### Calculus of Variations: Find extremal of functional I[y(x)] = ∫(e-x·y′² - ex·y2)dx

• Replies: 0
• Views: 289
11-19-2018, 06:57 AM
5. ### Chebyshev fitting: direct way of fitting same data to lower degree chebyshev pol.?

• Replies: 0
• Views: 430
11-07-2018, 08:15 PM
6. ### Laplace transforms when to use derivative? example: t(e^-t) cos3t

• Replies: 1
• Views: 390
11-06-2018, 05:52 PM
7. ### Help MathCad 15: water tank w/ leakage rate prop. to sqrt of water column

• Replies: 1
• Views: 292
10-24-2018, 09:55 AM
8. ### Laplace transforms: How do we know that the s-domain is complex?

• Replies: 0
• Views: 232
Vol
10-23-2018, 07:39 PM

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