Falling and Rising Factorial
The notation (x)n is used to denote the falling factorial, an n-th degree polynomial defined by
Confusingly, the same notation may be encountered as representing the rising factorial, also called "Pochhammer symbol". Another notation for the same is x(n). It can be defined by
Read more about this topic: Bracket (mathematics)
Famous quotes containing the words falling and/or rising:
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And here a female atheist talks you dead.”
—Samuel Johnson (1709–1784)
“... such is the horrible idea that I entertain respecting a life of servitude, that if I conceived of there being no possibility of my rising above the condition of servant, I would gladly hail death as a welcome messenger.”
—Maria Stewart (1803–1879)