Php get cosine sim

function dotp($arr1, $arr2){
     return array_sum(array_map(create_function('$a, $b', 'return $a * $b;'), $arr1, $arr2));
}
function cosineSim($arr1, $arr2){
	return dotp($arr1,$arr2)/sqrt(dotp($arr1,$arr1)*dotp($arr2,$arr2));
}

Similar codes

21 votes129 views3 answers
Query sql in php
PHP
0 vote107 views1 answer
Tina4 save file to database in orm
PHP
2 votes155 views1 answer
Call to undefined method JeroenNoten\\LaravelAdminLte\\Helpers\\MenuItemHelper::isSearchBar(
PHP Laravel
28 votes122 views6 answers
Laravel drop foreign key
PHP
0 vote134 views1 answer
Checking why sql query not connecting to database
PHP
7 votes125 views5 answers
Laravel model update table
PHP
9 votes141 views3 answers
Define url wordpress
PHP
0 vote115 views2 answers
Php constant
PHP
3 votes127 views1 answer
Wordpress wp_head
PHP
0 vote120 views1 answer
PHP redirect parent page
PHP