note 92002 added to function.stats-dens-normal

stats_dens_normal is similar to http://fr.wikipedia.org/wiki/Fonction_gaussienne and can be manually done like this <?php function nlaNormalDens($x,$es,$et){ return exp(-pow(($x-$es),2)/(2*pow($et,2)))/($et*sqrt(2*M_PI)); } // $x the value that you want the density ?> IE <?php $n = -2; while($n < 2){ echo nlaNormalDens($n,0,1)."<br>"; $n = $n + 0.1; } echo "<hr>"; $n = -2; while($n < 2){ echo stats_dens_normal($n,0,1)."<br>"; $n = $n + 0.1; } ?> will give you 0.053990966513188 0.065615814774677 0.078950158300894 0.094049077376887 0.11092083467946 0.12951759566589 0.14972746563574 0.17136859204781 0.19418605498321 0.21785217703255 0.24197072451914 0.26608524989876 0.28969155276148 0.31225393336676 0.3332246028918 0.3520653267643 0.36827014030332 0.38138781546052 0.39104269397546 0.39695254747701 0.39894228040143 0.39695254747701 0.39104269397546 0.38138781546052 0.36827014030332 0.3520653267643 0.3332246028918 0.31225393336676 0.28969155276148 0.26608524989875 0.24197072451914 0.21785217703255 0.19418605498321 0.17136859204781 0.14972746563574 0.12951759566589 0.11092083467946 0.094049077376887 0.078950158300894 0.065615814774676 --------------------------------------------- 0.053990966513188 0.065615814774677 0.078950158300894 0.094049077376887 0.11092083467946 0.12951759566589 0.14972746563574 0.17136859204781 0.19418605498321 0.21785217703255 0.24197072451914 0.26608524989876 0.28969155276148 0.31225393336676 0.3332246028918 0.3520653267643 0.36827014030332 0.38138781546052 0.39104269397546 0.39695254747701 0.39894228040143 0.39695254747701 0.39104269397546 0.38138781546052 0.36827014030332 0.3520653267643 0.3332246028918 0.31225393336676 0.28969155276148 0.26608524989875 0.24197072451914 0.21785217703255 0.19418605498321 0.17136859204781 0.14972746563574 0.12951759566589 0.11092083467946 0.094049077376887 0.078950158300894 0.065615814774676 ---- Server IP: 69.147.83.197 Probable Submitter: 148.81.137.4 ---- Manual Page -- http://www.php.net/manual/en/function.stats-dens-normal.php Edit -- https://master.php.net/note/edit/92002 Del: integrated -- https://master.php.net/note/delete/92002/integrated Del: useless -- https://master.php.net/note/delete/92002/useless Del: bad code -- https://master.php.net/note/delete/92002/bad+code Del: spam -- https://master.php.net/note/delete/92002/spam Del: non-english -- https://master.php.net/note/delete/92002/non-english Del: in docs -- https://master.php.net/note/delete/92002/in+docs Del: other reasons-- https://master.php.net/note/delete/92002 Reject -- https://master.php.net/note/reject/92002 Search -- https://master.php.net/manage/user-notes.php