Diffusion map: Difference between revisions

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Improved readability of exp-expression
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add link to Laplacian matrix
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From <math>p(x,y)</math> we can construct a transition matrix of a Markov chain (<math>M</math>) on <math>X</math>. In other words, <math>p(x,y)</math> represents the one-step transition probability from <math>x</math> to <math>y</math>, and <math>M^t</math> gives the t-step transition matrix.
 
We define the diffusion matrix <math>L</math> (it is also a version of graph [[Laplacian matrix]])
 
: <math>