Facebook Page
Twitter
RSS
+ Post New Thread
Page 3 of 24 FirstFirst 1234513 ... LastLast
Threads 61 to 90 of 693

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: 925
    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: 819
    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: 1,960
    July 10th, 2013, 04:41 Go to last post
  1. Normal Thread Normal Threads

  2. System of differential equations involving matrices

    Started by Guest, March 8th, 2016 19:31
    $fracdydt, $mathbfyt$, differential, equations, solution
    • Replies: 4
    • Views: 525
    March 8th, 2016, 22:42 Go to last post
  3. Gauss's theorem

    Started by evinda, February 22nd, 2016 12:58
    $int_mathbbr^3, deltagx, dx=, gausss, show
    • Replies: 1
    • Views: 424
    February 22nd, 2016, 19:34 Go to last post
  4. Put the 2D nonlinear system into Polar Coordinates

    Started by Krish23, February 21st, 2016 14:40
    coordinates, polar, system, x1^3, x2^3
    • Replies: 1
    • Views: 442
    February 21st, 2016, 15:44 Go to last post
  5. Second order ODE

    Started by Guest, January 30th, 2016 21:22
    &endcases$, doty-y-x+9t, integrating, linear, solved
    • Replies: 2
    • Views: 517
    January 30th, 2016, 23:29 Go to last post
  6. Homogeneous ODE

    Started by Guest, January 30th, 2016 19:02
    $displaystyle, 2y^2-9xy+8x^2$, equation, solve, xy-3x
    • Replies: 1
    • Views: 461
    January 30th, 2016, 19:25 Go to last post
  7. Why is the syllogism wrong?

    Started by evinda, January 22nd, 2016 17:11
    $$sign, defined, geq, y=leftbeginmatrix
    • Replies: 5
    • Views: 530
    January 25th, 2016, 15:26 Go to last post
  8. Existence of solution

    Started by evinda, January 25th, 2016 07:59
    $a$, existence, leq, solution, space
    • Replies: 0
    • Views: 372
    January 25th, 2016, 07:59 Go to last post
  9. How do we get the imaginary part?

    Started by evinda, January 24th, 2016 13:12
    cos, imaginary, part, sin, |cos
    • Replies: 4
    • Views: 504
    January 24th, 2016, 17:01 Go to last post
  10. Green's function

    Started by evinda, January 24th, 2016 16:28
    function, greens, homogeneous, problem, solutions
    • Replies: 0
    • Views: 347
    January 24th, 2016, 16:28 Go to last post
  11. Wronskian

    Started by evinda, January 24th, 2016 10:55
    equation, hint, write, wronskian, y_2s
    • Replies: 0
    • Views: 244
    January 24th, 2016, 10:55 Go to last post
  12. Cauchy problem

    Started by evinda, January 22nd, 2016 13:55
    cauchy, gxi, interval, problem, thought
    • Replies: 0
    • Views: 345
    January 22nd, 2016, 13:55 Go to last post
  13. [SOLVED] Help with Froebenious method

    Started by ognik, January 13th, 2016 21:47
    2alpha, 2a_j+1k+j+1, a_j+2k+j+2k+j+1, a_lambda, sum
    • Replies: 1
    • Views: 402
    January 15th, 2016, 18:20 Go to last post
  14. [SOLVED] Another Frobenius method ODE

    Started by ognik, January 14th, 2016 19:07
    .fk, a_j, forbenius, ode
    • Replies: 0
    • Views: 287
    January 14th, 2016, 19:07 Go to last post
  15. Why do we use this relation?

    Started by evinda, January 14th, 2016 13:12
    $sigma, $xt$, $yt$, geq, leq
    • Replies: 0
    • Views: 308
    January 14th, 2016, 13:12 Go to last post
  16. How do we deduce that there is such a point?

    Started by evinda, January 14th, 2016 09:42
    $yx0$, leq, show, solution, x_0$
    • Replies: 2
    • Views: 394
    January 14th, 2016, 11:24 Go to last post
  17. [SOLVED] Please check Eulers ODE

    Started by ognik, January 12th, 2016 17:49
    $x^p, n^2, ode, substituting, x^p
    • Replies: 1
    • Views: 343
    January 13th, 2016, 01:19 Go to last post
  18. [SOLVED] Find Ansatz for this ODE (3.5.15)

    Started by ognik, January 12th, 2016 18:53
    ansatz, find, good, solution, worked
    • Replies: 2
    • Views: 411
    January 12th, 2016, 21:25 Go to last post
  19. Irregular singularity

    Started by ognik, January 12th, 2016 19:44
    book, infty$, irregular, putting, singularity
    • Replies: 0
    • Views: 303
    January 12th, 2016, 19:44 Go to last post
  20. [SOLVED] Please check this particular solution excercise

    Started by ognik, January 11th, 2016 18:33
    $y_p, ansatz, cos, omega, sin
    • Replies: 3
    • Views: 506
    January 12th, 2016, 17:47 Go to last post
  21. [SOLVED] Help with ODE initial conditions

    Started by ognik, January 11th, 2016 18:12
    book, conditions, eqtn, initial, ode
    • Replies: 2
    • Views: 420
    January 11th, 2016, 23:05 Go to last post
  22. [SOLVED] Please check this ODE (1)

    Started by ognik, January 10th, 2016 21:13
    cos, c_1, c_2, left, sqrt2$
    • Replies: 7
    • Views: 642
    January 11th, 2016, 23:04 Go to last post
  23. Please check Laguerre's eqtn solution

    Started by ognik, December 19th, 2015 15:50
    eqtn, e^-x, factor, laguerres, self-adjoint
    • Replies: 5
    • Views: 577
    January 9th, 2016, 17:23 Go to last post
  24. [SOLVED] a^2 u_xx=u_t

    Started by karush, January 5th, 2016 22:07
    complicated, differential, equation, returned, ti-nspire
    • Replies: 2
    • Views: 490
    January 6th, 2016, 16:31 Go to last post
  25. [SOLVED] a^2 U_xx = u_tt

    Started by karush, January 2nd, 2016 19:16
    $$u_1leftx, atright$$, constant, tright=sinleftlambda, u_xx
    • Replies: 5
    • Views: 486
    January 6th, 2016, 00:25 Go to last post
  26. Differential equation y/(x^2+y^2)

    Started by Nikolas7, January 1st, 2016 11:30
    • Replies: 4
    • Views: 452
    January 2nd, 2016, 11:58 Go to last post
  27. solve the differential equation

    Started by Nikolas7, December 20th, 2015 04:24
    уу^primeprime=2ху^prime^2, differential, equation, solve
    • Replies: 6
    • Views: 538
    January 1st, 2016, 11:23 Go to last post
  28. [SOLVED] U_xx + U_yy = 0

    Started by karush, December 31st, 2015 19:00
    $$fracdu^2d^2, coshy, u_yy, x+fracdu^2d^2, y=0$$
    • Replies: 5
    • Views: 531
    December 31st, 2015, 23:39 Go to last post
  29. [SOLVED] Order and linear or nonlinear

    Started by karush, December 18th, 2015 18:23
    • Replies: 6
    • Views: 1,022
    December 27th, 2015, 17:15 Go to last post
  30. [SOLVED] write ODE solution as reals

    Started by ognik, December 15th, 2015 23:30
    c_1cos3x, euler, isin3x, ode, solution
    • Replies: 4
    • Views: 602
    December 20th, 2015, 17:02 Go to last post
  31. Identifying Critical Points

    Started by ineedhelpnow, December 15th, 2015 12:49
    critical, improper, node, point, proper
    • Replies: 3
    • Views: 444
    December 15th, 2015, 21:41 Go to last post

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Math Help Boards