Differences

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--- misc [2018/08/16 16:26] – [Maths Notation] potthast
+++ misc [2022/02/22 09:01] – [another statement] potthast
@@ Line 13: / Line 13: @@
 $$
-\frac{dx'}{dt}\Big|_{t=0} = 0   \hspace{1cm} (3.4)
+\frac{dx'}{dt}(\rho,t)\Big|_{t=0} = 0   \hspace{3cm} (3.4)
 $$
@@ Line 298: / Line 298: @@
 [[misc2]][[feglt]]
+\begin{eqnarray}
+\tilde{Y}^{T} \tilde{R}^{-1} \tilde{Y} & = &  Y^{T} A^{T} (A R A^{T})^{-1} A Y \nonumber \\
+& = & Y^{T} A^{T} (A^{T})^{-1} R^{-1} A^{-1} A Y \nonumber \\
+& = & Y^{T} R^{-1} Y
+\end{eqnarray}