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Differential Equations
Ordinary and Partial Differential Equations, Linear and Nonlinear; also Integral and Integro-Differential Equations
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Sticky
Solving Rational ODE's of the form (ax+by+c) dx+(ex+fy+g) dy=0.
Ackbach
Jul 10, 2019
Replies
0
Views
4K
Jul 10, 2019
Ackbach
Sticky
Bessel Functions Cheat Sheet
Ackbach
Sep 11, 2015
Replies
0
Views
8K
Sep 11, 2015
Ackbach
Sticky
Stürm-Liouville Problem Cheat Sheet
Ackbach
Sep 4, 2015
Replies
0
Views
7K
Sep 4, 2015
Ackbach
Locked
Sticky
DE Tutorial - Chapter 1: The Basics of Ordinary Differential Equations
Chris L T521
Jul 16, 2012
Replies
1
Views
11K
Feb 9, 2014
Chris L T521
Sticky
Status of DE Tutorial
Chris L T521
Dec 26, 2012
Replies
4
Views
9K
Jul 10, 2013
MarkFL
M
S
Second-Order Nonlinear Differential Equation
sav26
Nov 21, 2020
Replies
4
Views
353
Nov 28, 2020
Klaas van Aarsen
[SOLVED]
b.2.4.2 interval of initial value problem
karush
Oct 14, 2020
Replies
4
Views
264
Nov 17, 2020
Country Boy
C
[SOLVED]
307.27.1
karush
Oct 20, 2020
Replies
4
Views
469
Nov 7, 2020
karush
[SOLVED]
b.1.1.2 behavior as t goes to infinity
karush
Oct 8, 2020
Replies
3
Views
173
Nov 5, 2020
Country Boy
C
b.2.2.1 separate variables
karush
Oct 9, 2020
Replies
4
Views
188
Oct 13, 2020
Country Boy
C
M
Steady State Question Understanding
mt91
Aug 1, 2020
Replies
1
Views
187
Oct 6, 2020
Country Boy
C
M
Natural and forced response of a differential equation
marcadams267
Sep 27, 2020
Replies
1
Views
192
Sep 29, 2020
Country Boy
C
M
Steady State
mt91
Aug 6, 2020
Replies
1
Views
346
Aug 28, 2020
Country Boy
C
K
Numerical Methods for system of integral equations
Konstantin
Aug 26, 2020
Replies
0
Views
140
Aug 26, 2020
Konstantin
K
A
I need someone to help me solve this problem.
Another
Aug 14, 2020
Replies
1
Views
182
Aug 14, 2020
Another
A
A
Please give me an idea for Reduction of order
Another
Aug 10, 2020
Replies
3
Views
167
Aug 13, 2020
Country Boy
C
M
non-dimensionalisation
mt91
Aug 3, 2020
Replies
1
Views
165
Aug 12, 2020
Country Boy
C
M
Null Clines
mt91
Aug 2, 2020
Replies
2
Views
141
Aug 3, 2020
mt91
M
[SOLVED]
b.2.2.32 First order homogeneous ODE
karush
May 16, 2020
Replies
13
Views
494
Aug 1, 2020
Country Boy
C
[SOLVED]
b.2.2.27 IVP t behavior
karush
Jul 18, 2020
Replies
5
Views
342
Jul 19, 2020
Country Boy
C
[SOLVED]
b.2.2.26 IVP and minumum value
karush
Jul 16, 2020
Replies
3
Views
216
Jul 17, 2020
karush
[SOLVED]
b.2.2.21 IVP
karush
Jul 14, 2020
Replies
5
Views
253
Jul 15, 2020
Country Boy
C
A
Differential Equations
Alexandru
Jun 6, 2020
Replies
1
Views
720
Jun 12, 2020
Country Boy
C
A
I have hyperbolic PDE and I want the numerical solution using lax wendroff method
aeropop15
Jun 1, 2020
Replies
0
Views
208
Jun 1, 2020
aeropop15
A
Solutions of the ODEs - 2 first order linear equations
Julio
May 17, 2020
Replies
6
Views
271
May 28, 2020
Country Boy
C
[SOLVED]
b.2.2.33 - Homogeneous first order ODEs, direction fields and integral curves
karush
May 17, 2020
Replies
18
Views
829
May 20, 2020
MarkFL
M
[SOLVED]
b.2.1.11 y'+y=5sin{2t}
karush
Apr 21, 2020
Replies
3
Views
431
May 19, 2020
HallsofIvy
H
Solve the nonlinear system
Julio
May 18, 2020
Replies
1
Views
213
May 18, 2020
Janssens
J
A
How to solve this 2nd order linear ODE
Another
Mar 26, 2020
Replies
2
Views
379
May 18, 2020
HallsofIvy
H
[SOLVED]
b.2.2.31 First order homogeneous ODE
karush
May 15, 2020
Replies
8
Views
382
May 16, 2020
HallsofIvy
H
[SOLVED]
b.2.2.27 - Analysis of first order IVP
karush
May 12, 2020
Replies
15
Views
476
May 12, 2020
karush
[SOLVED]
b.2.2.26 - Solve first order IVP and determine where minimum of solution occurs
karush
May 11, 2020
Replies
9
Views
329
May 11, 2020
MarkFL
M
[SOLVED]
b.2.2.25 IVP max value
karush
May 6, 2020
Replies
11
Views
479
May 9, 2020
karush
[SOLVED]
b.2.1.12 Find the general solution
karush
Apr 22, 2020
Replies
6
Views
418
Apr 23, 2020
karush
M
Numerical Methods: Second Order Runge-Kutta Scheme
muckyl
Apr 12, 2020
Replies
1
Views
327
Apr 12, 2020
Prove It
P
Maximum value a function satisfying a differential equation can achieve.
caffeinemachine
Apr 7, 2020
Replies
1
Views
381
Apr 7, 2020
Klaas van Aarsen
G
Laplace / inverse laplace transform
goohu
Dec 28, 2019
Replies
3
Views
1K
Feb 15, 2020
HallsofIvy
H
[SOLVED]
307.28.1 Find the general solution to the system of differential equations
karush
May 17, 2019
Replies
1
Views
2K
Dec 15, 2019
HallsofIvy
H
[SOLVED]
b.1.3.18 >values of r for de
karush
Nov 20, 2019
Replies
4
Views
957
Nov 21, 2019
topsquark
A
Rescaled Coordinates in a polynomial equation.
Alan
Oct 17, 2019
Replies
0
Views
749
Oct 17, 2019
Alan
A
R
Solution to function with power greater than 4
roni
Sep 13, 2019
Replies
1
Views
754
Sep 13, 2019
Cbarker1
C
m30b Convert the differential equation
karush
Jun 27, 2019
Replies
4
Views
855
Sep 12, 2019
HallsofIvy
H
Solving 1st order non-linear ODE
Dhamnekar Winod
Aug 18, 2019
Replies
4
Views
1K
Aug 31, 2019
HallsofIvy
H
16.1 Find the general solution to the system of differential equations
karush
Apr 12, 2019
Replies
2
Views
1K
Aug 22, 2019
HallsofIvy
H
[SOLVED]
7.1 transform the given equation into a system of first order equation u''+0.5u'+2u=0
karush
Aug 13, 2019
Replies
2
Views
1K
Aug 17, 2019
karush
J
Differential equation - distance needed to achieve target speed
Jonter
Aug 8, 2019
Replies
2
Views
810
Aug 9, 2019
HallsofIvy
H
[SOLVED]
30.1 - Convert a 2nd order homogeneous ODE into a system of first order ODEs
karush
May 16, 2019
Replies
8
Views
3K
Jul 21, 2019
HallsofIvy
H
[SOLVED]
5.5 Solve the matrix equation AX=B to find x and y
karush
Jul 16, 2019
Replies
4
Views
2K
Jul 16, 2019
karush
[SOLVED]
29.1 Find a general solution to the system of differential equations
karush
Jul 9, 2019
Replies
4
Views
1K
Jul 10, 2019
karush
[SOLVED]
m30 - 2nd order linear homogeneous ODE solve using Wronskian
karush
Jun 26, 2019
Replies
12
Views
1K
Jul 8, 2019
HallsofIvy
H
3.1.11 find the solution of the given initial value problem:
karush
May 21, 2019
Replies
4
Views
1K
Jul 3, 2019
HallsofIvy
H
11.2 Initial value problem in explicit form.
karush
Jun 25, 2019
Replies
7
Views
3K
Jul 1, 2019
HallsofIvy
H
[SOLVED]
23 solve initial value problem
karush
Jun 17, 2019
Replies
2
Views
2K
Jun 22, 2019
karush
31.6 Solve the initial value problem
karush
Jun 12, 2019
Replies
2
Views
867
Jun 13, 2019
karush
T
Projective Methods for Stiff Differential Equations
tm2019
Apr 30, 2019
Replies
0
Views
594
Apr 30, 2019
tm2019
T
pe.7 write a system in the matrix form Y'=AY+G
karush
Apr 29, 2019
Replies
2
Views
751
Apr 29, 2019
karush
7.1 x'=x+sin(t) solve de
karush
Apr 17, 2019
Replies
3
Views
1K
Apr 18, 2019
MarkFL
M
29.1 give a system of fundamental solutions
karush
Apr 11, 2019
Replies
5
Views
1K
Apr 12, 2019
Ackbach
E
How to get a converging solution to a second-order PDE?
enea19
Apr 9, 2019
Replies
0
Views
555
Apr 9, 2019
enea19
E
28.2 Solve the system y'={}Y
karush
Apr 8, 2019
Replies
3
Views
839
Apr 8, 2019
topsquark
D
Partial Differential Equation - solve with Matlab
Dmitrij00000
Mar 31, 2019
Replies
0
Views
592
Mar 31, 2019
Dmitrij00000
D
S
Solving wave equation using Fourier Transform
spideyjj
Mar 23, 2019
Replies
1
Views
674
Mar 24, 2019
MathProfessor
M
Orthogonal Trajectories
Asawira Emaan
Mar 6, 2019
Replies
4
Views
1K
Mar 15, 2019
Alan
A
[SOLVED]
10.2 DE notation
karush
Feb 25, 2019
Replies
12
Views
2K
Feb 28, 2019
karush
A
Friedrich's problem.
Alan
Feb 16, 2019
Replies
3
Views
833
Feb 28, 2019
Alan
A
[SOLVED]
b.2.1.23 Solve the initial value problem and find the critical value a0 exactly.
karush
Feb 22, 2019
Replies
1
Views
978
Feb 23, 2019
Country Boy
C
[SOLVED]
2.1.9 Find the general solution of the given differential equation
karush
Feb 20, 2019
Replies
7
Views
1K
Feb 22, 2019
karush
[SOLVED]
de1.3.19 Determine the values of r for DE
karush
Feb 19, 2019
Replies
4
Views
893
Feb 20, 2019
karush
A
solving homogeneous equation
Alexis87
Feb 17, 2019
Replies
1
Views
624
Feb 18, 2019
GJA
G
A
Solving Homogeneous Equation
Alexis87
Feb 2, 2019
Replies
1
Views
830
Feb 2, 2019
Country Boy
C
C
[SOLVED]
Anti-derivatives of the periodic functions
Cbarker1
Jan 24, 2019
Replies
1
Views
932
Jan 24, 2019
topsquark
C
Wave Equation Question Part 2
Cbarker1
Jan 22, 2019
Replies
2
Views
822
Jan 24, 2019
Country Boy
C
C
[SOLVED]
Wave Equation Question Part 3
Cbarker1
Jan 22, 2019
Replies
2
Views
664
Jan 23, 2019
Country Boy
C
C
Telegraph Equation Verification
Cbarker1
Jan 22, 2019
Replies
1
Views
848
Jan 23, 2019
GJA
G
C
[SOLVED]
Wave Equation Question
Cbarker1
Jan 19, 2019
Replies
11
Views
1K
Jan 20, 2019
Klaas van Aarsen
Euler equations having double roots as a solution
Dhamnekar Winod
Dec 19, 2018
Replies
3
Views
960
Jan 16, 2019
Country Boy
C
A
Differential Equations - Bernoulli equation
ajkess1994
Jan 15, 2019
Replies
3
Views
830
Jan 15, 2019
ajkess1994
A
J
2nd order differential equation - equation of motion
jd17
Jan 11, 2019
Replies
3
Views
981
Jan 13, 2019
Country Boy
C
Euler’s Method y'+2y=2-e^(-4t) y(0)-1
karush
Jan 7, 2019
Replies
5
Views
1K
Jan 7, 2019
MarkFL
M
[SOLVED]
find the general solution for y'+2y=2-e^(-4t), y(0)=1
karush
Jan 5, 2019
Replies
7
Views
2K
Jan 6, 2019
karush
Difficult first order linear differential equation
Dhamnekar Winod
Dec 14, 2018
Replies
3
Views
1K
Jan 3, 2019
karush
[SOLVED]
2.7.15 Euler's Method
karush
Dec 27, 2018
Replies
11
Views
2K
Dec 29, 2018
skeeter
[SOLVED]
2.7.2 Euler's method
karush
Dec 26, 2018
Replies
4
Views
1K
Dec 27, 2018
karush
[SOLVED]
s1.2.4 Find the equilibrium solution y_e
karush
Dec 22, 2018
Replies
3
Views
934
Dec 22, 2018
MarkFL
M
[SOLVED]
1.2.2a initial value problem
karush
Dec 20, 2018
Replies
2
Views
828
Dec 20, 2018
karush
2.1.1c Solve for the following initial value
karush
Dec 13, 2018
Replies
5
Views
1K
Dec 13, 2018
topsquark
[SOLVED]
b.1.1.2 initial value problem
karush
Dec 12, 2018
Replies
7
Views
1K
Dec 13, 2018
topsquark
2.4.1 find interval
karush
Dec 11, 2018
Replies
4
Views
925
Dec 12, 2018
topsquark
[SOLVED]
2.2.20 initial value and interval...trig substitution
karush
Dec 8, 2018
Replies
4
Views
980
Dec 11, 2018
karush
Iterating an equation
topsquark
Nov 27, 2018
Replies
4
Views
949
Dec 10, 2018
topsquark
[SOLVED]
2..2.18 initial value differentual eq with complete the square??
karush
Dec 6, 2018
Replies
3
Views
897
Dec 9, 2018
skeeter
2.2.16 (a) intial value (b) interval
karush
Dec 5, 2018
Replies
9
Views
1K
Dec 8, 2018
Country Boy
C
[SOLVED]
de2.2.12 dr/dθ = r^2/θ, r(1) = 2 IVP, graph, interval
karush
Dec 1, 2018
Replies
8
Views
2K
Dec 5, 2018
karush
[SOLVED]
2.2.12 (a) find initial value (b)plot and (c) interval
karush
Dec 4, 2018
Replies
2
Views
619
Dec 4, 2018
karush
[SOLVED]
de2.2.11 initial value, graph, intervals
karush
Dec 1, 2018
Replies
5
Views
912
Dec 1, 2018
karush
differences in the solutions of DE system and its converted 2nd order Differential equation
Dhamnekar Winod
Nov 18, 2018
Replies
2
Views
810
Nov 18, 2018
Dhamnekar Winod
A
Partial differential equations problem - finding the general solution
Another
Oct 17, 2018
Replies
2
Views
1K
Oct 18, 2018
Another
A
P
Four assorted ODE questions
perlarb
Oct 8, 2018
Replies
1
Views
948
Oct 10, 2018
Country Boy
C
H
Help: Differential equation Romeo & Juliet
helpmath
Sep 30, 2018
Replies
4
Views
1K
Oct 1, 2018
helpmath
H
[SOLVED]
2.1.6 Another DE went off the rails
karush
Jun 28, 2018
Replies
7
Views
1K
Sep 22, 2018
karush
W
Rearranging equation
whiskybrah
Sep 20, 2018
Replies
1
Views
665
Sep 20, 2018
Joppy
J
Existence and uniqueness of solution
mathmari
Sep 14, 2018
Replies
4
Views
903
Sep 17, 2018
Klaas van Aarsen
Equilibrium solutions
evinda
Sep 13, 2018
Replies
4
Views
874
Sep 16, 2018
Klaas van Aarsen
[SOLVED]
Shock wave
evinda
May 29, 2018
Replies
6
Views
1K
Sep 12, 2018
evinda
Is this the desired bounded set of the wave equation?
evinda
Sep 9, 2018
Replies
8
Views
1K
Sep 9, 2018
evinda
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