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| English | Russian |
| among all candidate functions lying in the class A | среди всех возможных функций класса А (we shall find a minimizer among all candidate functions lying in the class A) |
| let f be in the class A | пусть f принадлежит классу A |
| there are a number of techniques for extending this problem class at the expense of an increase in computing cost | расширение класса (задач) |
| there are a number of techniques for extending this problem class at the expense of an increase in computing cost | вычислительные затраты |