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Apr 16, 2020 at 16:29 history edited Wentao Hu CC BY-SA 4.0
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Apr 16, 2020 at 16:28 comment added Wentao Hu @leomonsaingeon Sorry there is a typo in the first equation, should have been $\frac{2}{s} u'(s)$. Thank you very much.
Apr 16, 2020 at 10:02 comment added leo monsaingeon I believe that there is a typo: Either the first equation should read $\frac{2}{s}u'(s)$ in the first-order term, or the equation for $v(s)$ is wrong and should include a term $-\frac{2u'(s)}{u^2(s)}v(s)$ arising from the linearization of $\frac{2}{u(s)}u'(s)$. I strongly suspect the first option...
Apr 16, 2020 at 7:45 history asked Wentao Hu CC BY-SA 4.0