Ку терминăн урăх пĕлтерĕшсем пур,
норма пăхăр.
Норма — векторла уçлăхра панă тата вектор тăршшĕ текен ăнлава е хисепĕн абсолютлă пĕлтерĕшĕ тение анлăлатакан функционал.
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