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International Journal of Differential Equations
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International Journal of Differential Equations
/
2011
/
Article
/
Fig 1
/
Research Article
Solutions of the Force-Free Duffing-van der Pol Oscillator Equation
Figure 1
Plots of the Duffing-van der pol equation: (a) RK4, (b) Chandrasekar et al. [
15
], (c) present method, and (d) DTM [
16
].
(a)
(b)
(c)
(d)