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Commit fdf7a8a1 authored by Florent Chatelain's avatar Florent Chatelain
Browse files

up nb

parent d49e7d24
......@@ -56,6 +56,7 @@
"Then \n",
"\n",
"$$K = \\left[ \\frac 1p (X \\circ S)' (X \\circ S) \\right] \\circ B$$\n",
"\n",
"is the $n\\times n$ *two-way punctured* kernel matrix where $ \\circ$ is the Hadamard (elementwise) product and\n",
" - matrix $S$ is the Bernoulli iid $(p \\times n)$ random matrix to select the **data** entries with rate `eS`\n",
" - matrix $B$ is the Bernoulli iid $(n \\times n)$ random matrix to select the **kernel** entries with rate `eB`"
......
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