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:
“I can never suppose this country so far lost to all ideas of self-importance as to be willing to grant America independence; if that could ever be adopted I shall despair of this country being ever preserved from a state of inferiority and consequently falling into a very low class among the European States.”
—George III (1738–1820)
“With five to ten hundred pure-minded young women threading the streets of the village every evening unattended, vice must slink away, like frost before the rising sun ...”
—Anna Julia Cooper (1859–1964)