Create: 2025-02-12 Update: 2025-07-10 15:26:20

Наглядно о том, зачем нужна нормализация признаков

Простая анимация, которая показывает фиксированное число итераций градиентного спуска, стартующего из одной и той же точки для хороших и плохих задач.

В хороших задачах направления примерно одинаковы с точки зрения значений минимизируемой функции. Для квадратичной функции (aka линейная регрессия) это измеряется числом обусловленности гессиана.

Явление характерно не только для квадратичных функций - это одна из главных причин наличия разных нормализаций в нейросетях.

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Наглядно о том

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