Differences

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--- misc4 [2018/08/16 16:34] – potthast
+++ misc4 [2023/03/28 09:14] (current) – external edit 127.0.0.1
@@ Line 15: / Line 15: @@
 $$
-$$
+\begin{eqnarray}
-y'(\rho,t) = y'(\rho,t) - y'(\rho,t_0) = \int_{t_0}^t \frac{dy'(\rho,s)}{ds} \; ds
+y'(\rho,t) & = &  y'(\rho,t) - y'(\rho,t_0) \\
-$$
+& = &  \int_{t_0}^t \frac{dy'(\rho,s)}{ds} \; ds \\
+& = &  \frac{dy'(\rho,t_0)}{dt} \cdot \delta t + O(\delta t^2)\\
+& = & x(\rho,t_0)\cdot \delta t + O(\delta t^2)
+\end{eqnarray}