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matrix mul

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biglyderv 2025-01-28 18:07:44 -05:00
parent 4297f47fd1
commit 8fe117a027
1 changed files with 31 additions and 12 deletions
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43
docs/stats.php
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@ -15,6 +15,7 @@
$pr = array(); $pr = array();
$fcount = array(); $fcount = array();
$frs = array(); $frs = array();
$matrixe = array();
foreach ($result as $usern) { foreach ($result as $usern) {
$fn = $usern['username']; $fn = $usern['username'];
@ -30,22 +31,40 @@
$stmt->execute([$fn]); $stmt->execute([$fn]);
$frs[$fn] = $stmt->fetchAll(PDO::FETCH_DEFAULT); $frs[$fn] = $stmt->fetchAll(PDO::FETCH_DEFAULT);
$matrixe[$fn] = array();
$matrixe[$fn][$fn] = 1;
} }
for ($i = 0; $i < 20; $i++) { foreach ($result as $usern) {
foreach ($result as $usern) { $theuser = $usern['username'];
$theuser = $usern['username'];
$followers = $frs[$theuser];
$followers = $frs[$theuser]; foreach ($followers as $follown) {
$fn = $follown['target'];
foreach ($followers as $follown) {
$fn = $follown['target'];
if ($usern['username'] == $fn) continue; if ($usern['username'] == $fn) continue;
$dst = $fcount[$fn];
$dst = $fcount[$fn]; $matrixe[$usern['username']][$fn] = 1 + 1 / ($dst + 10) / 10;
$pr[$usern['username']] += $pr[$fn] / ($dst + 10) / 10; ///$pr[$usern['username']] += $pr[$fn] / ($dst + 10) / 10;
}
}
for ($i = 0; $i < 20; $i++) {
$prold = $pr;
$matrixf = $matrixe;
foreach ($result as $usera) {
$pr[$usera['username']] = 0;
foreach ($result as $userb) {
$matrixe[$usera['username']][$userb['username']] = 0;
foreach ($result as $userc) {
$matrixe[$usera['username']][$userb['username']] += $matrixf[$usera['username']][$userc['username']] * $matrixf[$userc['username']][$userb['username']];
}
$pr[$usera['username']] += $matrixe[$usera['username']][$userb['username']];
} }
} }
@ -54,7 +73,7 @@
$new_sum = array_sum($pr); $new_sum = array_sum($pr);
foreach ($result as $usern) { foreach ($result as $usern) {
$h = $pr[$usern['username']]; $h = $pr[$usern['username']];
$pr[$usern['username']] = (pow($h / $new_sum,1.32) * 100) * $dist + ($h * (1 - $dist)); $pr[$usern['username']] = (pow($h / $new_sum,1 /* 1.32 */) * 100) * $dist + ($h * (1 - $dist));
} }
} }