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 have loved her all my youth,
But now old, as you see;
Love likes not the falling fruit
From the withered tree.
Know that love is a careless child
And forgets promise past;
He is blind, he is deaf when he list
And in faith never fast.”
—Sir Walter Raleigh (1552?–1618)
“The first ones ever, oh, ever to know
of the rising of Jesus, his glory to be,
were Mary, Joanna, and Magdalene,
and blessed are they are they who see.”
—Linda Wilberger Egan (b. 1946)