Lines Matching refs:refers
354 For \texttt{ITERATIVE\_SCHUR} there are two obvious choices for block diagonal preconditioners for $S$. The block diagonal of the matrix $B$~\cite{mandel1990block} and the block diagonal $S$, \ie the block Jacobi preconditioner for $S$. Ceres's implements both of these preconditioners and refers to them as \texttt{JACOBI} and \texttt{SCHUR\_JACOBI} respectively.
505 where $\|\cdot\|_\infty$ refers to the max norm, and $x_0$ is the vector of initial parameter values.
