Differential Equations

Advanced calculus topics from Diff EQ go here.
T
  • Locked
  • Sticky
Read Before Posting!
Replies
0
Views
16K
Ted
T
S
Querie on sketching direction field.
Replies
1
Views
192
MarkFL
MarkFL
K
Mathematical models and numerical methods: "A motorboat starts from rest..."
Replies
13
Views
581
ken_165
K
K
Help with matrix differential equation: repeated eigenvalues!
Replies
0
Views
48
Keatenclarno
K
T
Maxwell Equations
Replies
1
Views
411
topsquark
topsquark
H
Calculating using dv/dt = dh/dt * dv/dh to find dv/dh and then integrating the answer to get a line
Replies
3
Views
161
HallsofIvy
H
G
a help for the equation
Replies
3
Views
79
MarkFL
MarkFL
P
Power series solution help
Replies
2
Views
66
promitheus
P
C
Remove function from differential system d^2x/dt^2 + a*dx/dt = j, dj/dt = -b*j - dx/dt + u(t)
Replies
1
Views
83
HallsofIvy
H
A
Is there an analytical solution to dCs/dt = gCs(1-Cs/Csmax) - K*(X/Y + c/exp(Yt))? (nonlinear, nonexact)
Replies
4
Views
68
amcqueen101
A
P
Prove y' = |y| , y(0)=0 has unique solution, though states of thm's of existence, uniqueness not true
Replies
5
Views
188
Dr.Peterson
Dr.Peterson
E
Solve y'' - y' = t - e^{-t} using variation of parameters
Replies
0
Views
51
Eigendorf
E
U
Falling: If resultant force downwards follows the equation F = mg - kv^2, acceleration is a = g - (k/m)v^2
Replies
5
Views
77
UKEng20
U
E
Solve differential equation explicitly: dP/dt = 0.2P (1 - P/1000) - 48, using P_0 = 350
Replies
2
Views
64
Dr.Peterson
Dr.Peterson
P
Tricky Riccati DE w/ exponential terms: dE/dt = cB_t + bE_t + a(E_t)^2, s.t. B_t = g(1-e^{ht})/(1-ke^{ht})
Replies
0
Views
49
pmms12585
P
Y
What type of differential equation
Replies
1
Views
86
Subhotosh Khan
S
S
Solve 2 second order linear ODEs d^2y/dx^2 + 16(dy/dx) + 55y = 0, d^2y/dx^2 + 22(dy/dx) + 85y = 0, s.t. y(0) = 14
Replies
12
Views
132
MarkFL
MarkFL
T
Torricelli's Law Problem: ellipsoid (x/5)^2 + (y/4)^2 + (z/3)^2 = 1
Replies
0
Views
55
Tom999
T
S
stuck in basic math of general method for differential equations
Replies
4
Views
110
sabishaw
S
V
graphing 3D question: z = x - y is a sloped plane. Then is 2 = x - y a line on that plane?
Replies
3
Views
245
Dr.Peterson
Dr.Peterson
M
General Integrating Factor
Replies
4
Views
261
Metronome
M
You must log in or register to post here.
Top