deletions | additions       diff --git a/Weird Ideas.tex b/Weird Ideas.tex  index 7f55704..71b5a09 100644  --- a/Weird Ideas.tex  +++ b/Weird Ideas.tex 
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\nabla\mathbf{F}^T \to  \begin{bmatrix}   \partial_x^2\partial_y\partial_zF_x \partial_xF_x  & \partial_x^2\partial_y\partial_zF_y \partial_xF_y  & \partial_x^2\partial_y\partial_zF_z\\   \partial_x\partial_y^2\partial_zF_x \partial_xF_z\\   \partial_yF_x  & \partial_x\partial_y^2\partial_zF_y \partial_yF_y  & \partial_x\partial_y^2\partial_zF_z \partial_yF_z  \\ \partial_x\partial_y\partial_z^2F_x \partial_zF_x  & \partial_x\partial_y\partial_z^2F_y \partial_zF_y  & \partial_x\partial_y\partial_z^2F_z \partial_zF_z  \end{bmatrix}  Like a metric?  \end{equation}  Inverses, \begin{equation}