Rybicki Press algorithm: Difference between revisions

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The Rybicki Press algorithm is a fast direct algorithm for inverting a matrix, whose entries are given by <math>A(i,j) = \exp(-a \vert t_i - t_j \vert)</math>, where <math>a \in \mathbb{R}</math>
: <math>A(i,j) = \exp(-a \vert t_i - t_j \vert)</math>