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

0 vote316 views1 answer
Seeder name singular or plural laravel
PHP Laravel
0 vote326 views4 answers
How to write php in script file
PHP
6 votes304 views6 answers
Remove duplicate values in array php
PHP
2 votes325 views1 answer
Undefined variable _session
PHP
1 vote297 views1 answer
Twig replace char in string
PHP
0 vote319 views1 answer
Php days in hours
PHP
3 votes361 views2 answers
Laravel route multiple methods
PHP Laravel
0 vote290 views1 answer
Refresh database tables yii 1
PHP
37 votes338 views3 answers
Character split php
PHP
1 vote332 views1 answer
Dump die laravel
PHP