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Forum: Differential Equations

Ordinary and Partial Differential Equations, Linear and Nonlinear; also Integral and Integro-Differential Equations

  1. Sticky Thread Sticky Threads

  2. Sticky Thread Bessel Functions Cheat Sheet

    Started by Ackbach, September 11th, 2015 10:13
    • Replies: 0
    • Views: 923
    September 11th, 2015, 10:13 Go to last post
  3. Sticky Thread Stürm-Liouville Problem Cheat Sheet

    Started by Ackbach, September 4th, 2015 10:10
    • Replies: 0
    • Views: 818
    September 4th, 2015, 10:10 Go to last post
  4. Sticky Thread Status of DE Tutorial

    Started by Chris L T521, December 26th, 2012 03:16
    • Replies: 4
    • Views: 1,959
    July 10th, 2013, 04:41 Go to last post
  1. Normal Thread Normal Threads

  2. [SOLVED] 242.17.8 Solve the given equation by variation of parameters.

    Started by karush, May 20th, 2017 17:45
    $textitnow, 242.17.8, equation, equation$, variation
    • Replies: 4
    • Views: 83
    Yesterday, 19:05 Go to last post
  3. Is the solution unique?

    Started by evinda, May 9th, 2017 19:18
    form, sinfracn, solution, tt$, xl$
    • Replies: 2
    • Views: 115
    May 11th, 2017, 15:39 Go to last post
  4. Method of separation of variables

    Started by evinda, May 9th, 2017 15:49
    equations, method, pde, solution, xx+
    • Replies: 2
    • Views: 98
    May 9th, 2017, 17:18 Go to last post
  5. [SOLVED] The auxiliary would equation be

    Started by karush, May 6th, 2017 01:47
    2 Pages
    1 2
    %0&implies, auxiliary, equation, r^2+9&=0, y+9y&=5cos5x
    • Replies: 15
    • Views: 344
    May 9th, 2017, 16:35 Go to last post
  6. Determine the space

    Started by evinda, May 6th, 2017 18:13
    $mathbbr^2$, determine, solution, space, text
    • Replies: 9
    • Views: 188
    May 7th, 2017, 07:50 Go to last post
  7. How to use Fourier Series

    Started by evinda, April 30th, 2017 12:44
    3 Pages
    1 2 3
    cosfracm, fourier, initial, problem, series
    • Replies: 28
    • Views: 580
    May 3rd, 2017, 11:01 Go to last post
  8. Odd and even extension

    Started by evinda, May 1st, 2017 08:23
    • Replies: 4
    • Views: 150
    May 1st, 2017, 16:32 Go to last post
  9. [SOLVED] 17.2.10 y_p is a particular solution

    Started by karush, April 21st, 2017 17:01
    $y0=0$, $y=$, equation, frac34x$, solution
    • Replies: 7
    • Views: 183
    April 22nd, 2017, 16:22 Go to last post
  10. Limit of the solution - Which is the conclusion?

    Started by mathmari, April 2nd, 2017 11:52
    $y$, conclude, m_2$, rightarrow, solution
    • Replies: 5
    • Views: 246
    April 2nd, 2017, 15:04 Go to last post
  11. Linear differential equation

    Started by mahmoud shaaban, March 19th, 2017 14:12
    • Replies: 1
    • Views: 224
    March 19th, 2017, 16:41 Go to last post
  12. Asymptotic

    Started by meenums34, February 27th, 2017 05:05
    dominance, find, method, proceed, realised
    • Replies: 1
    • Views: 259
    March 4th, 2017, 09:36 Go to last post
  13. [SOLVED] A tank contains 200 gal of fresh water

    Started by karush, February 23rd, 2017 13:19
    fertilizer, gal, gal/min, maximum, tank
    • Replies: 7
    • Views: 266
    February 23rd, 2017, 23:23 Go to last post
  14. Self-similarity of nonlinear PDE

    Started by Raisa, February 18th, 2017 18:57
    • Replies: 0
    • Views: 109
    February 18th, 2017, 18:57 Go to last post
  15. [SOLVED] 242.7x.13 Solve the differential equation

    Started by karush, February 2nd, 2017 14:54
    2 Pages
    1 2
    $textitjust, 242.7x.13, differential, direction, e^y
    • Replies: 11
    • Views: 514
    February 2nd, 2017, 20:19 Go to last post
  16. Show that the function is the solution

    Started by evinda, January 15th, 2017 18:41
    • Replies: 5
    • Views: 339
    January 20th, 2017, 20:05 Go to last post
  17. Uniqueness of solution

    Started by evinda, October 9th, 2016 11:37
    2 Pages
    1 2
    delta, int_partialb_r, leq, phix_0right|=left|, xi|phixi-phix_0|
    • Replies: 17
    • Views: 975
    January 19th, 2017, 17:03 Go to last post
  18. Questions about proof of theorem

    Started by evinda, January 11th, 2017 15:51
    $omega$, $overlineomega, phi$, setminus, x_0
    • Replies: 1
    • Views: 194
    January 15th, 2017, 07:57 Go to last post
  19. How do we get the relations?

    Started by evinda, December 14th, 2016 16:12
    $gx$, dphi=frac12, int_0^2, nabla_xih, sinphi
    • Replies: 8
    • Views: 526
    December 20th, 2016, 10:45 Go to last post
  20. 2 Differential Equations by Substitution

    Started by abhay, December 14th, 2016 02:51
    • Replies: 5
    • Views: 433
    December 16th, 2016, 00:33 Go to last post
  21. [SOLVED] method of integrating factor

    Started by karush, December 10th, 2016 02:48
    displaystyle, equation$, factor, integrating, method
    • Replies: 2
    • Views: 203
    December 10th, 2016, 03:24 Go to last post
  22. Application of chain rule

    Started by evinda, December 2nd, 2016 05:26
    2 Pages
    1 2
    +infty, derivative, mathbbr^n$, rule, times
    • Replies: 12
    • Views: 626
    December 4th, 2016, 08:28 Go to last post
  23. Show that the function is a solution of the equation

    Started by evinda, December 2nd, 2016 19:55
    cdots, dots+, i=1, v_2, x_i
    • Replies: 8
    • Views: 382
    December 3rd, 2016, 18:56 Go to last post
  24. Differential equation

    Started by wheepep, November 26th, 2016 13:44
    constant, differential equations, equation, find, respect
    • Replies: 2
    • Views: 250
    November 26th, 2016, 16:48 Go to last post
  25. The functions is equal to zero for x=0

    Started by evinda, November 25th, 2016 05:32
    gammat, mathbbr, problem, text, x=phix
    • Replies: 2
    • Views: 214
    November 25th, 2016, 18:26 Go to last post
  26. How do we apply the proposition?

    Started by evinda, November 16th, 2016 05:44
    $omega$, ball, omega, subharmonic, text
    • Replies: 4
    • Views: 395
    November 23rd, 2016, 19:06 Go to last post
  27. Show inequality

    Started by evinda, November 17th, 2016 09:26
    2 Pages
    1 2
    epsilon, e^gamma, leq, show, x_1
    • Replies: 18
    • Views: 870
    November 22nd, 2016, 14:32 Go to last post

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