UMBRAL SYMBOL


Meaning of UMBRAL SYMBOL in English

noun

: a symbol indicating substitution in turn of each of n given values followed by addition of the results obtained

the umbral symbol a in the expression x a y a which stands for x 1 y 1 +x 2 y 2 +…+x n y n

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.