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- <?php
- print "(si ça stagne, c'est probablement juste pck PHP fait du gros caca)\n";
- function f($i) {
- return 14*$i**2+1;
- }
- function g($i) {
- return 28*$i**2+1;
- }
- function pen($i) {
- $i = strval($i);
- $str = $i.".";
- for ($j = 1; $j <= 10-strlen($i); $j++) {
- $str .= "0";
- }
- return $str;
- }
- for ($i = 0; $i > -1; $i++) {
- $data[$i] = f($i)/g($i);
- if ($i >= 1) {
- $prod = 1;
- for ($j = 0; $j < $i; $j++) {
- for ($k = $j+1; $k <= $i; $k++) {
- $prod *= ($j*$data[$j]-$k*$data[$k])/($j-$k);
- }
- }
- if (!in_array(strval($prod**(2/($i*($i+1)))),["INF","-INF",0])) { print "(".pen($i).") ".round($prod**(2/($i*($i+1))),3)."\r";
- $r = round($prod**(2/($i*($i+1))),3); }
- else { print "(".pen($i).") $r\r"; }
- }
- }
- ?>
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