Differential Equations

Advanced calculus topics from Diff EQ go here.
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Linear equations: dP/dt + 2tP = P + 4t - 2
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1
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9K
tkhunny
tkhunny
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Integrating Factor for linear first order
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1
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2K
soroban
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Integral using Laplace Transform: int [0,infty][sin t/t] dt
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3
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31K
galactus
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A
A differential equation: y' - 3y = e^(-2x) + 2
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1
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4K
tkhunny
tkhunny
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differential equations: two models for tank leakage
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2
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3K
stapel
stapel
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Method Of Frobenius: 4xy'' + 2y' + y = 0
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0
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7K
rooney
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Solution Series Near An Ordinary Point
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2
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2K
jjm5119
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T
Simple second order question: Solution is clearly x(t) = t^5
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1
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2K
Deleted member 4993
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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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14K
markbrock30
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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
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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
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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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Laplace Transform of DE
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2K
bwat687
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Forced Oscillations & Resonance: x"+9x=10cos(2t),x(0)=x'(0)
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7
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5K
Deleted member 4993
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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
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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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28K
Deleted member 4993
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D
Convolutions of Laplace Transforms: f(t)=e^(at), g(t)=e^(bt)
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1
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3K
royhaas
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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
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variation of parameters: y'' + y = sin(x) + x cos(x)
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2
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9K
rooney
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