Differential Equations

Advanced calculus topics from Diff EQ go here.
M
x" + 2(3+R)x' + 3(3+R)x = 0 - Initial conditions
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2
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2K
markbrock30
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M
prove L.(di/dt) + R.i = V.cos(wt)
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8
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13K
markbrock30
M
M
dy/dx + 2y = -5, y(0) = 3: solve using Newton's method.
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1
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3K
stapel
stapel
S
More Differential Probs: y'=y^2-4, y(0)=0; dy/dt=(1-2t)/y
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1
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17K
Deleted member 4993
D
S
I'm new to Differential equations: ty' = 4y , y(1) = 2 t > 0
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2
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3K
soroban
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J
Laplace Transform of DE
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2
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2K
bwat687
B
R
Forced Oscillations & Resonance: x"+9x=10cos(2t),x(0)=x'(0)
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7
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4K
Deleted member 4993
D
D
Inverse Laplace transform of F(s)=(e^(-4s)-e^(-5s))/s^6
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2
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3K
tkhunny
tkhunny
F
soln of (1/r)(d/dr)(r(dT/dr))=0, T(r1)=T1, T(r2)=T2 is....
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3
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26K
Deleted member 4993
D
D
Convolutions of Laplace Transforms: f(t)=e^(at), g(t)=e^(bt)
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1
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3K
royhaas
R
F
Simple derivation: F(t)=1-e^(-1/t), E(t)=dF/dt=e^(-1/t)(....
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2
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3K
f0rked
F
R
variation of parameters: y'' + y = sin(x) + x cos(x)
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2
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8K
rooney
R
J
Forced Vibrations: ping-pong ball in vertical column
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7
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6K
jjm5119
J
J
Method of Undetermined Coefficients Problem
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3
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3K
jjm5119
J
C
Product Rule for derivatives
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1
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2K
galactus
G
H
Implicit Differentiation Problem: x^2 + zsin(xyz) = 0
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3
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7K
skeeter
skeeter
B
Undetermined Coefficients
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1
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3K
royhaas
R
J
Nonhomogenous Eq. and the Particular Solution
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4
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3K
jjm5119
J
P
Definition amount: f (x, y)=xye^(? ((x?a)^2)? ((y?b)^ 2))
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1
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2K
Deleted member 4993
D
M
Seperation of Variables: t*(dy/dt) = 4*y, y(1) = 2, t > 0
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2
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2K
moy1989
M
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