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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: 1,011
    September 11th, 2015, 10:13 Go to last post
  3. Sticky Thread Strm-Liouville Problem Cheat Sheet

    Started by Ackbach, September 4th, 2015 10:10
    • Replies: 0
    • Views: 889
    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: 2,056
    July 10th, 2013, 04:41 Go to last post
  1. Normal Thread Normal Threads

  2. Any one who can solve this?

    Started by kayella19, July 29th, 2017 09:45
    m9m+9mn-3n-ndn, n9m+18m-mn-ndm, solve
    • Replies: 6
    • Views: 244
    July 30th, 2017, 22:43 Go to last post
  3. Find a product solution to the following PDE

    Started by Umar, July 22nd, 2017 11:41
    find, greatly, pde, product, solution
    • Replies: 6
    • Views: 191
    July 23rd, 2017, 10:08 Go to last post
  4. [SOLVED] Identify the equilibrium values

    Started by karush, June 19th, 2017 02:14
    equilibrium, identify, sketch, solution, values
    • Replies: 2
    • Views: 140
    June 22nd, 2017, 20:27 Go to last post
  5. Elimination of Arbitrary Constant

    Started by kayella19, June 21st, 2017 12:01
    8a, solve, x+4a
    • Replies: 6
    • Views: 179
    June 21st, 2017, 19:05 Go to last post
  6. Method of separation of variables

    Started by evinda, May 9th, 2017 15:49
    equations, method, pde, solution, xx+
    • Replies: 3
    • Views: 193
    June 14th, 2017, 08:31 Go to last post
  7. [SOLVED] 17.2.05 Solve the given equation by the method of undetermined coefficients.

    Started by karush, June 7th, 2017 21:17
    2 Pages
    1 2
    campus, equation, method, solve, undetermined
    • Replies: 16
    • Views: 335
    June 10th, 2017, 19:07 Go to last post
  8. Find sets

    Started by evinda, May 26th, 2017 10:47
    $gx=-g-x$, find, geq, mathbbr, sets
    • Replies: 2
    • Views: 203
    May 29th, 2017, 14:07 Go to last post
  9. [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: 263
    May 23rd, 2017, 19:05 Go to last post
  10. Is the solution unique?

    Started by evinda, May 9th, 2017 19:18
    form, sinfracn, solution, tt$, xl$
    • Replies: 2
    • Views: 161
    May 11th, 2017, 15:39 Go to last post
  11. [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: 467
    May 9th, 2017, 16:35 Go to last post
  12. Determine the space

    Started by evinda, May 6th, 2017 18:13
    $mathbbr^2$, determine, solution, space, text
    • Replies: 9
    • Views: 248
    May 7th, 2017, 07:50 Go to last post
  13. 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: 745
    May 3rd, 2017, 11:01 Go to last post
  14. Odd and even extension

    Started by evinda, May 1st, 2017 08:23
    • Replies: 4
    • Views: 218
    May 1st, 2017, 16:32 Go to last post
  15. [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: 246
    April 22nd, 2017, 16:22 Go to last post
  16. 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: 329
    April 2nd, 2017, 15:04 Go to last post
  17. Linear differential equation

    Started by mahmoud shaaban, March 19th, 2017 14:12
    • Replies: 1
    • Views: 276
    March 19th, 2017, 16:41 Go to last post
  18. Asymptotic

    Started by meenums34, February 27th, 2017 05:05
    dominance, find, method, proceed, realised
    • Replies: 1
    • Views: 323
    March 4th, 2017, 09:36 Go to last post
  19. [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: 444
    February 23rd, 2017, 23:23 Go to last post
  20. Self-similarity of nonlinear PDE

    Started by Raisa, February 18th, 2017 18:57
    • Replies: 0
    • Views: 166
    February 18th, 2017, 18:57 Go to last post
  21. [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: 653
    February 2nd, 2017, 20:19 Go to last post
  22. Show that the function is the solution

    Started by evinda, January 15th, 2017 18:41
    • Replies: 5
    • Views: 445
    January 20th, 2017, 20:05 Go to last post
  23. 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: 1,308
    January 19th, 2017, 17:03 Go to last post
  24. Questions about proof of theorem

    Started by evinda, January 11th, 2017 15:51
    $omega$, $overlineomega, phi$, setminus, x_0
    • Replies: 1
    • Views: 246
    January 15th, 2017, 07:57 Go to last post
  25. 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: 734
    December 20th, 2016, 10:45 Go to last post
  26. 2 Differential Equations by Substitution

    Started by abhay, December 14th, 2016 02:51
    • Replies: 5
    • Views: 571
    December 16th, 2016, 00:33 Go to last post

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