Differential Equations

Advanced calculus topics from Diff EQ go here.
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particular solutin, variation of constants
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galactus
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2nd order diff. eqn: y''+ 12y'+ 36y=0, y(0)=1, y'(0)=-1
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soroban
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Find gen. soln to system of ODEs where x' = Ax and....
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dopey9
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Newton's Law of Cooling: A corpse was discovered at 2pm....
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soroban
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Differential equation Family of curves orthogonal
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mark07
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Solving Universal law of Gravitation as 2nd order DE
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Trebor
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damped spring problem using mathematica
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Unco
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solving a linear equation
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mathstresser
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Solving a homogenous equation
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mathstresser
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Finding speed
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staceyrho
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differential equation
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skeeter
skeeter
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Compartmental Analysis
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Steem
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Euler Equation
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Count Iblis
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Help me with this...
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ywel84
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decay prob: find limiting amt of radium over time
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galactus
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describing asymptotic behaviour of soln of ODE
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dopey9
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which equilibria are attractors, repellors, or neither?
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dopey9
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x(t) = ae^(bt) + ct is soln to ODE d^2/dt^2 = 16e^(4t) / x
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mark07
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IVP prob's: ydy/dx = x/sqrt1 + y2, y(0) = 1; etc.
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6
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wjm11
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solving exact differential eqn: (1-ysinx)dx + cosx dy = 0
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1
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mark07
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