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Differential Equations
Advanced calculus topics from Diff EQ go here.
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Ted
Oct 4, 2006
Replies
0
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18K
Oct 4, 2006
Ted
T
T
Difficult PDE related problem
tastydragoon332
Thursday at 4:14 PM
Replies
3
Views
103
Monday at 11:55 AM
mario99
M
I
Green theorem: compare {xy-(x^2)} dx+)x^2)ydy} over the triangle bounded lines y=0,x=1,y=x and verify by Green's theorem
iron123
Feb 23, 2024
Replies
1
Views
234
Monday at 8:45 AM
mario99
M
J
Ayers Differential Equations Schaums Outline Chap. 2 Problem 3
Joseph P.
Apr 29, 2024
Replies
11
Views
227
Sunday at 5:48 PM
Joseph P.
J
y"-[1-(y')^2]y'+y=0 qualitative analysis
Integrate
May 1, 2024
Replies
2
Views
93
May 1, 2024
Integrate
Show that if y(t) satisfies y"-yt=0, then y(-t) satisfies y"+ty=0
Integrate
May 1, 2024
Replies
1
Views
87
May 1, 2024
blamocur
A
How can one derive transfer function from initial conditions to output ?
akleron
Apr 30, 2024
Replies
0
Views
192
Apr 30, 2024
akleron
A
J
Ayers Differential Equations Chap 2 Problem 3
Joseph P.
Apr 27, 2024
Replies
0
Views
27
Apr 27, 2024
Joseph P.
J
J
Ayer's Differential Equations Chap. 2 Problem 3
Joseph P.
Apr 26, 2024
Replies
0
Views
30
Apr 26, 2024
Joseph P.
J
L
Solve dy/dx= 6e^y sin3x when y=0 and x=0
Lalala
Apr 19, 2024
Replies
11
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510
Apr 20, 2024
mario99
M
R
Question about differential order of operations/properties
rwisnewski@shearondesign.
Apr 3, 2024
Replies
6
Views
737
Apr 11, 2024
blamocur
T
General Solution for System of Differential Equations
tommcgtx
Apr 7, 2024
Replies
2
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204
Apr 9, 2024
tommcgtx
T
K
Please anyone help me understand: dy/dx = (2 * dz^2 * y^(3n) - 2x^4 * ay^(-n^3) - az * (m^2 - y^3)) / (y^3 * dz)
kaif78
Mar 25, 2024
Replies
0
Views
284
Mar 25, 2024
kaif78
K
D
Please help me understand and solve the second-order DM: yy" + y = (y')^2
Dana04
Mar 18, 2024
Replies
1
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343
Mar 18, 2024
mario99
M
J
Burgers equation: du/dt + u * du/dx - v* (d^2u/dx^2) = 0, with u(x,0)= 2 for x < 0 u(x,0)= 0 for x >/= 0
junelikespi
Feb 15, 2024
Replies
1
Views
428
Mar 4, 2024
mario99
M
M
[math]v_t(x, t)-v_{xx} (x, t)=0 , x\in \mathbb{R}, t>0, v (x, 0) = sin^2(3x), x\in \mathbb{R}[/math] can this be solved using separation of variables?
MathNugget
Feb 17, 2024
2
Replies
21
Views
1K
Feb 24, 2024
mario99
M
M
derivating v(x, t) := u(x-4t, t) on x and t (partial derivatives)
MathNugget
Feb 1, 2024
Replies
13
Views
613
Feb 16, 2024
MathNugget
M
C
A very small detail in the linear 2rd order diff equation regarding integral of tanx
Chang
Feb 12, 2024
Replies
1
Views
181
Feb 15, 2024
Dr.Peterson
M
Help solve (y log x)dx + (x - log y) dy = 0: I have used integrating factor log(y/x)
MarcusG
Jan 7, 2024
Replies
8
Views
706
Jan 15, 2024
blamocur
M
Laplace in Three Dimensions: [math]\frac{\partial^2 u}{\partial x^2} +\frac{\partial^2 u}{\partial y^2} + \frac{\partial^2 u}{\partial z^2} = 0[/math]
mario99
Jan 1, 2024
Replies
2
Views
910
Jan 5, 2024
mario99
M
M
Solve this Differential Equation: u"(x) = (lambda * (e^{-x} / x - k^2) u(x) = 0
mario99
Oct 28, 2023
Replies
5
Views
580
Dec 29, 2023
mario99
M
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