Greetings to all, I am trying to insert Latex from an equation generated by wxMaxima. When viewing there are "{" symbols that seem to be left over and although they are not in the final document, I don't like them being there. So I decided to use the find and replace tool, but it does nothing on the selected text, in this case the equation with the symbol "{", when trying to replace it with nothing. If I do a search to after, the program closes.
LyX v2.4.1 The terminal message: /usr/include/c++/13.2.0/bits/stl_vector.h:1232: std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::back() [with _Tp = lyx::CursorSlice; _Alloc = std::allocator<lyx::CursorSlice>; reference = lyx::CursorSlice&]: Assertion '!this->empty()' failed. and the latex code that I pasted from wxMaxima: \begin{pmatrix}\mathop{-}\left( {{y}^{2}} \cos{\left( x y\right) } z\right) & \mathop{-}\left( \sin{\left( x y\right) } z\right) \mathop{-}x y \cos{\left( x y\right) } z\mathop{+}1 & \mathop{-}\left( y \sin{\left( x y\right) }\right) \\ \mathop{-}\left( \sin{\left( x y\right) } z\right) \mathop{-}x y \cos{\left( x y\right) } z\mathop{+}1 & 2\mathop{-}{{x}^{2}} \cos{\left( x y\right) } z & \mathop{-}\left( x \sin{\left( x y\right) }\right) \\ \mathop{-}\left( y \sin{\left( x y\right) }\right) & \mathop{-}\left( x \sin{\left( x y\right) }\right) & 0\end{pmatrix}
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