deletions | additions       diff --git a/The_equation_for_the_ellipsoid__.tex b/The_equation_for_the_ellipsoid__.tex  index 91f2e00..7faf060 100644  --- a/The_equation_for_the_ellipsoid__.tex  +++ b/The_equation_for_the_ellipsoid__.tex 
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For any point $x$ on the ellipsoid we have:  $$y - x = \frac{1}{2} t \nabla E(x)   = t \begin{bmatrix}   \frac{1 \begin{bmat}{e_1^2} \frac{1}{e_1^2}  && \\ & \frac{1}{e_2^2} & \\   && \frac{1}{e_3^2}   \end{bmatrix} \begin{bmatrix} 
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