Differential Equations

Advanced calculus topics from Diff EQ go here.
J
Need help on a (hopefully!) intermediate math formula
Replies
2
Views
524
Dr.Peterson
Dr.Peterson
A
First order differential equations: (1/x)(dy/dx) = 1/(1 - x^2), (x - 3)(dy/dx) = y, tan(y)(dy/dx) - 4
Replies
6
Views
1K
Aminta_1900
A
S
Differentiation of a Quadratic: v_0 = V_DD - (1/V_x)[(v_1 - V_t)v_0 - (1/2)(v_0)^2]
Replies
3
Views
716
Dr.Peterson
Dr.Peterson
B
Why is this linear? d^3y/dt^3 + t * dy/dt + (cos(t))^2 * y = 4t^3
Replies
6
Views
1K
Dr.Peterson
Dr.Peterson
M
Differential Equation: u'' + u = tan x
Replies
4
Views
817
mario99
M
C
Help me solve this FIRST ODER D.E QUESTIONS
Replies
2
Views
604
topsquark
topsquark
P
DE for the rate at which chemicals clear from blood
Replies
2
Views
665
limiTS
L
M
Schrödinger Equation
Replies
0
Views
444
mario99
M
T
Slope field multiple choice: Which graphic shows dy/dx = x - ky for k > 0?
Replies
2
Views
657
blamocur
blamocur
Integrate
dy/dx -5y =(-5/2) * x * y^3. Bernoulli. y^ -3 * dy/dx-5y^ -2=(-5/2) * x
Replies
6
Views
1K
Integrate
Integrate
M
Stuck at Transforming a Differential Equation: x(d^x X/dx^2) + dX/dx + lambda*X = 0
Replies
3
Views
841
topsquark
topsquark
M
The First Obstacle to Solve PDE: partial-y/partial-t = (k/r)(r partial-y/partial-r) + Q(r)
Replies
12
Views
1K
mario99
M
M
Bessel's Equation: is it possible to solve the Bessel Equation without adding the Gamma function to the solution?
Replies
6
Views
1K
mario99
M
Integrate
If M=∂F/∂x and N=(∂F/∂y) then ∂M/∂y=(∂^2 F/∂y)∂x and (∂^2 F/∂x)∂y = ∂N/∂x
Replies
5
Views
851
Integrate
Integrate
A
Is it possible to do separation of variables in this manner? dx = ?(? + 1)(? − ?)
Replies
8
Views
3K
nasi112
N
A
laplace of integral: Find L{int_{0,t} [e^{-3t} sin(4t) cos(2(t-tau)) d-tau}
Replies
4
Views
907
blamocur
blamocur
M
  • Locked
Mario has been changed
Replies
14
Views
1K
stapel
stapel
M
Two small questions about using matrices for finding best straight line by linear regression
Replies
6
Views
835
Martincg
M
P
d'Alembert Formula
Replies
3
Views
1K
nasi112
N
M
  • Locked
The Euler-Bernoulli Beam Equation
Replies
7
Views
1K
topsquark
topsquark
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