Remove another stray close-paren

Author: inducer

notes/notes.org

@@ -1855,7 +1855,7 @@ Consider factorization of \(\begin{bmatrix}\epsilon & 1 \\1 & 1
   \(L = \begin{bmatrix}1  & 0 \\1/\epsilon & 1 \end{bmatrix}\),
   \(U = \begin{bmatrix}\epsilon & 1 \\0 & 1-1/\epsilon \end{bmatrix}\)
 - Rounding: \(\fl(U) = \begin{bmatrix}\epsilon & 1 \\0 & -1/\epsilon \end{bmatrix}\)
-- This leads to \(L\fl(U)) = \begin{bmatrix}\epsilon & 1 \\1 & 0 \end{bmatrix}\), a backward error of \(\begin{bmatrix}0 & 0 \\0 & 1 \end{bmatrix}\)
+- This leads to \(L\fl(U) = \begin{bmatrix}\epsilon & 1 \\1 & 0 \end{bmatrix}\), a backward error of \(\begin{bmatrix}0 & 0 \\0 & 1 \end{bmatrix}\)
 #+LATEX: \end{hidden}
 
 *** Round-off Error in LU with Pivoting