cost() публичный Метод

public cost ( array $coefficients, array $features, float $outcome ) : float
$coefficients array
$features array
$outcome float
Результат float
Документация по классу Logistic
Пример #1
0
 public function testCost()
 {
     $gradient = new Logistic();
     static::assertEquals(-3.8730719889570246, $gradient->cost([1.0], [2.0], 3.0));
 }