MathGroup Archive 1992

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  • To: mathgroup at
  • Subject: function
  • From: kline!bob at
  • Date: Fri, 23 Oct 92 23:24:43 EDT

	A question about forming functions.  Suppose I create a series, using


	giving a = x - x^3/3! + x^5/5!.

	I now want to use a to create a function of x, which, functionally,


	This will not work in practice.  Is there a way to do this?  For
	something short, as in this example, I could just as well type 
	the expression

	f[x_]:= x - x^3/3! + x^5/5!

	and everything would work fine.

	What procedure would allow me to create the series and convert it
	to a function of the variable?

	-r. kline
	rvk at

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