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Differential Equations

Ordinary and Partial Differential Equations, Linear and Nonlinear; also Integral and Integro-Differential Equations
Ackbach
  • Sticky
Solving Rational ODE's of the form (ax+by+c) dx+(ex+fy+g) dy=0.
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0
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4K
Ackbach
Ackbach
Ackbach
  • Sticky
Bessel Functions Cheat Sheet
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0
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8K
Ackbach
Ackbach
Ackbach
  • Sticky
Stürm-Liouville Problem Cheat Sheet
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0
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7K
Ackbach
Ackbach
Chris L T521
  • Locked
  • Sticky
DE Tutorial - Chapter 1: The Basics of Ordinary Differential Equations
Replies
1
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11K
Chris L T521
Chris L T521
Chris L T521
  • Sticky
Status of DE Tutorial
Replies
4
Views
9K
MarkFL
M
karush
b.7.1.8 IVP with system of eq
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0
Views
10
karush
karush
karush
097b IVP
Replies
1
Views
137
Country Boy
C
karush
[SOLVED] 1.5.7.9 find gereral solution
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4
Views
115
karush
karush
karush
[SOLVED] 1.5.7.19 IVP
Replies
3
Views
61
Prove It
P
karush
[SOLVED] 1.8.17 initial value then find C
Replies
11
Views
220
karush
karush
S
Second-Order Nonlinear Differential Equation
Replies
4
Views
573
Klaas van Aarsen
Klaas van Aarsen
karush
[SOLVED] b.2.4.2 interval of initial value problem
Replies
4
Views
302
Country Boy
C
karush
[SOLVED] 307.27.1
Replies
4
Views
523
karush
karush
karush
[SOLVED] b.1.1.2 behavior as t goes to infinity
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3
Views
224
Country Boy
C
karush
[SOLVED] b.2.2.1 separate variables
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4
Views
231
Country Boy
C
M
Steady State Question Understanding
Replies
1
Views
239
Country Boy
C
M
Natural and forced response of a differential equation
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1
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242
Country Boy
C
M
Steady State
Replies
1
Views
400
Country Boy
C
K
Numerical Methods for system of integral equations
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0
Views
178
Konstantin
K
A
I need someone to help me solve this problem.
Replies
1
Views
220
Another
A
A
Please give me an idea for Reduction of order
Replies
3
Views
201
Country Boy
C
M
non-dimensionalisation
Replies
1
Views
215
Country Boy
C
M
Null Clines
Replies
2
Views
199
mt91
M
karush
[SOLVED] b.2.2.32 First order homogeneous ODE
Replies
13
Views
580
Country Boy
C
karush
[SOLVED] b.2.2.27 IVP t behavior
Replies
5
Views
404
Country Boy
C
karush
[SOLVED] b.2.2.26 IVP and minumum value
Replies
3
Views
268
karush
karush
karush
[SOLVED] b.2.2.21 IVP
Replies
5
Views
311
Country Boy
C
A
Differential Equations
Replies
1
Views
769
Country Boy
C
A
I have hyperbolic PDE and I want the numerical solution using lax wendroff method
Replies
0
Views
238
aeropop15
A
Julio
Solutions of the ODEs - 2 first order linear equations
Replies
6
Views
309
Country Boy
C
karush
[SOLVED] b.2.2.33 - Homogeneous first order ODEs, direction fields and integral curves
Replies
18
Views
880
MarkFL
M
karush
[SOLVED] b.2.1.11 y'+y=5sin{2t}
Replies
3
Views
566
HallsofIvy
H
Julio
Solve the nonlinear system
Replies
1
Views
258
Janssens
J
A
How to solve this 2nd order linear ODE
Replies
2
Views
412
HallsofIvy
H
karush
[SOLVED] b.2.2.31 First order homogeneous ODE
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8
Views
452
HallsofIvy
H
karush
[SOLVED] b.2.2.27 - Analysis of first order IVP
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15
Views
530
karush
karush
karush
[SOLVED] b.2.2.26 - Solve first order IVP and determine where minimum of solution occurs
Replies
9
Views
384
MarkFL
M
karush
[SOLVED] b.2.2.25 IVP max value
Replies
11
Views
577
karush
karush
karush
[SOLVED] b.2.1.12 Find the general solution
Replies
6
Views
478
karush
karush
M
Numerical Methods: Second Order Runge-Kutta Scheme
Replies
1
Views
377
Prove It
P
caffeinemachine
Maximum value a function satisfying a differential equation can achieve.
Replies
1
Views
420
Klaas van Aarsen
Klaas van Aarsen
G
Laplace / inverse laplace transform
Replies
3
Views
2K
HallsofIvy
H
karush
[SOLVED] 307.28.1 Find the general solution to the system of differential equations
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1
Views
2K
HallsofIvy
H
karush
[SOLVED] b.1.3.18 >values of r for de
Replies
4
Views
1K
topsquark
topsquark
A
Rescaled Coordinates in a polynomial equation.
Replies
0
Views
795
Alan
A
R
Solution to function with power greater than 4
Replies
1
Views
794
Cbarker1
C
karush
m30b Convert the differential equation
Replies
4
Views
942
HallsofIvy
H
Dhamnekar Winod
Solving 1st order non-linear ODE
Replies
4
Views
1K
HallsofIvy
H
karush
16.1 Find the general solution to the system of differential equations
Replies
2
Views
1K
HallsofIvy
H
karush
[SOLVED] 7.1 transform the given equation into a system of first order equation u''+0.5u'+2u=0
Replies
2
Views
1K
karush
karush
J
Differential equation - distance needed to achieve target speed
Replies
2
Views
868
HallsofIvy
H
karush
[SOLVED] 30.1 - Convert a 2nd order homogeneous ODE into a system of first order ODEs
Replies
8
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3K
HallsofIvy
H
karush
[SOLVED] 5.5 Solve the matrix equation AX=B to find x and y
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4
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2K
karush
karush
karush
[SOLVED] 29.1 Find a general solution to the system of differential equations
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4
Views
1K
karush
karush
karush
[SOLVED] m30 - 2nd order linear homogeneous ODE solve using Wronskian
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12
Views
1K
HallsofIvy
H
karush
3.1.11 find the solution of the given initial value problem:
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4
Views
1K
HallsofIvy
H
karush
11.2 Initial value problem in explicit form.
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7
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3K
HallsofIvy
H
karush
[SOLVED] 23 solve initial value problem
Replies
2
Views
2K
karush
karush
karush
31.6 Solve the initial value problem
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2
Views
921
karush
karush
T
Projective Methods for Stiff Differential Equations
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0
Views
624
tm2019
T
karush
pe.7 write a system in the matrix form Y'=AY+G
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2
Views
818
karush
karush
karush
7.1 x'=x+sin(t) solve de
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3
Views
1K
MarkFL
M
karush
29.1 give a system of fundamental solutions
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5
Views
1K
Ackbach
Ackbach
E
How to get a converging solution to a second-order PDE?
Replies
0
Views
590
enea19
E
karush
28.2 Solve the system y'={}Y
Replies
3
Views
887
topsquark
topsquark
D
Partial Differential Equation - solve with Matlab
Replies
0
Views
629
Dmitrij00000
D
S
Solving wave equation using Fourier Transform
Replies
1
Views
714
MathProfessor
M
Asawira Emaan
Orthogonal Trajectories
Replies
4
Views
1K
Alan
A
karush
[SOLVED] 10.2 DE notation
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12
Views
2K
karush
karush
A
Friedrich's problem.
Replies
3
Views
861
Alan
A
karush
[SOLVED] b.2.1.23 Solve the initial value problem and find the critical value a0 exactly.
Replies
1
Views
1K
Country Boy
C
karush
[SOLVED] 2.1.9 Find the general solution of the given differential equation
Replies
7
Views
1K
karush
karush
karush
[SOLVED] de1.3.19 Determine the values of r for DE
Replies
4
Views
949
karush
karush
A
solving homogeneous equation
Replies
1
Views
658
GJA
G
A
Solving Homogeneous Equation
Replies
1
Views
875
Country Boy
C
C
[SOLVED] Anti-derivatives of the periodic functions
Replies
1
Views
978
topsquark
topsquark
C
Wave Equation Question Part 2
Replies
2
Views
858
Country Boy
C
C
[SOLVED] Wave Equation Question Part 3
Replies
2
Views
701
Country Boy
C
C
Telegraph Equation Verification
Replies
1
Views
890
GJA
G
C
[SOLVED] Wave Equation Question
Replies
11
Views
1K
Klaas van Aarsen
Klaas van Aarsen
Dhamnekar Winod
Euler equations having double roots as a solution
Replies
3
Views
1K
Country Boy
C
A
Differential Equations - Bernoulli equation
Replies
3
Views
940
ajkess1994
A
J
2nd order differential equation - equation of motion
Replies
3
Views
1K
Country Boy
C
karush
Euler’s Method y'+2y=2-e^(-4t) y(0)-1
Replies
5
Views
2K
MarkFL
M
karush
[SOLVED] find the general solution for y'+2y=2-e^(-4t), y(0)=1
Replies
7
Views
2K
karush
karush
Dhamnekar Winod
Difficult first order linear differential equation
Replies
3
Views
1K
karush
karush
karush
[SOLVED] 2.7.15 Euler's Method
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11
Views
2K
skeeter
skeeter
karush
[SOLVED] 2.7.2 Euler's method
Replies
4
Views
1K
karush
karush
karush
[SOLVED] s1.2.4 Find the equilibrium solution y_e
Replies
3
Views
973
MarkFL
M
karush
[SOLVED] 1.2.2a initial value problem
Replies
2
Views
862
karush
karush
karush
2.1.1c Solve for the following initial value
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5
Views
1K
topsquark
topsquark
karush
[SOLVED] b.1.1.2 initial value problem
Replies
7
Views
1K
topsquark
topsquark
karush
2.4.1 find interval
Replies
4
Views
963
topsquark
topsquark
karush
[SOLVED] 2.2.20 initial value and interval...trig substitution
Replies
4
Views
1K
karush
karush
topsquark
Iterating an equation
Replies
4
Views
1K
topsquark
topsquark
karush
[SOLVED] 2..2.18 initial value differentual eq with complete the square??
Replies
3
Views
943
skeeter
skeeter
karush
2.2.16 (a) intial value (b) interval
Replies
9
Views
1K
Country Boy
C
karush
[SOLVED] de2.2.12 dr/dθ = r^2/θ, r(1) = 2 IVP, graph, interval
Replies
8
Views
2K
karush
karush
karush
[SOLVED] 2.2.12 (a) find initial value (b)plot and (c) interval
Replies
2
Views
650
karush
karush
karush
[SOLVED] de2.2.11 initial value, graph, intervals
Replies
5
Views
951
karush
karush
Dhamnekar Winod
differences in the solutions of DE system and its converted 2nd order Differential equation
Replies
2
Views
869
Dhamnekar Winod
Dhamnekar Winod
A
Partial differential equations problem - finding the general solution
Replies
2
Views
1K
Another
A
P
Four assorted ODE questions
Replies
1
Views
987
Country Boy
C
H
Help: Differential equation Romeo & Juliet
Replies
4
Views
1K
helpmath
H
karush
[SOLVED] 2.1.6 Another DE went off the rails
Replies
7
Views
1K
karush
karush
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