deletions | additions       diff --git a/Ellipsens_ekvation_E_x_frac__.tex b/Ellipsens_ekvation_E_x_frac__.tex  index 1c031e6..e1c36d7 100644  --- a/Ellipsens_ekvation_E_x_frac__.tex  +++ b/Ellipsens_ekvation_E_x_frac__.tex 
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Vi har en punkt $y$ utanför ellipsen:  $$y = \begin{bmatrix} y_1 & y_2 \end{bmatrix}$$  Vi har  $$y - x = \frac{1}{2} t \nabla E(x)$$ E(x) = t \begin{bmatrix} \frac{x_1}{e_1^2} & \frac{x_2}{e_2^2} $$