Differential Equations

Advanced calculus topics from Diff EQ go here.
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Heaviside function, initial value problem
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sgtpepper
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Solving eqn with given B.C's: d(r(dV_z/dr))/dr = 0, V_z=0 on
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Deleted member 4993
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Undetermined Coefficient: y''-2y'+y = 6e^x
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6K
sunny1324
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Undetermined Coefficients: y'' +10y'+25y=14e^(-5x)
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2
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6K
sunny1324
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It must be easy but needing help w/ x*dy/dx = x^2 + y^2 + y
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8
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3K
davemath
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Gear's predictor-corrector using Newton's equiations
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3K
graffy76
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show y = c e^(y/x) is soln to dy/dx = (y^2) / (xy - X^2)
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3
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sunny1324
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Intergrating factor for dydx + x = 27, w/ x = 0, y = 2
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2
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galactus
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D.E. (2x+1)dy + (y^2)dx = 0 through (4,1)
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4
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4K
galactus
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dy/dx=(y+8x)/(x+2y) initial value: y(1)=1
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2
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2K
jazzman
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Inhomogeneous Systems (General Solutions)
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3
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2K
Deleted member 4993
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dy/dx=sqrt(x-y) Initial value: y(2)=2
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3K
spacejunkie
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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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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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28K
galactus
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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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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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Simple second order question: Solution is clearly x(t) = t^5
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2K
Deleted member 4993
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