deletions | additions       diff --git a/Ellipsens_ekvation_E_x_frac__.tex b/Ellipsens_ekvation_E_x_frac__.tex  index 852a726..ac7e0f7 100644  --- a/Ellipsens_ekvation_E_x_frac__.tex  +++ b/Ellipsens_ekvation_E_x_frac__.tex 
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Vi har  $$y - x = \frac{1}{2} t \nabla E(x) = t \begin{bmatrix} \frac{x_1}{e_1^2} & \frac{x_2}{e_2^2} \end{bmatrix}$$  eller ekvivalent formulerat  $$y_k = \left( 1 + \frac{t}{e_k^2} \right) x_k$$ x_k, \qquad k=1,2,3.$$