numerical solution of differential equations

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numerical solution of differential equations

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#12

23-12-2016, 00:45

Ether

systems engineer (retired)

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Join Date: Nov 2009

Rookie Year: 1969

Location: US

Posts: 7,986

Re: numerical solution of differential equations

Unless I was careless with the algebra (it happens when I'm tired),
Steve's catapult can be modeled with an ODE of the form

θ'' = k₁ + k₂∙cos(θ) + k₃∙θ'

Attached is an Octave script that uses Octave's built-in ODE solver "lsode"
to numerically integrate arbitrary ODEs of the form x'' = f(t,x,x')

Attached Files

x''=f(t,x,x').m.txt (741 Bytes, 8 views)

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