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Lilianmm87 (talk | contribs) |
Lilianmm87 (talk | contribs) |
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Line 597:
<math>\frac{dx_{1}}{dt} =-x_{2}+\left( 1-x_{1}^{2}-x_{2}^{2}\right) x_{1}\sin
(w^{H}(t))^{2}, \
</math>
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Line 597:
<math>\frac{dx_{1}}{dt} =-x_{2}+\left( 1-x_{1}^{2}-x_{2}^{2}\right) x_{1}\sin
(w^{H}(t))^{2}, \
</math>
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