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Re: Which function can do this?

• To: mathgroup at smc.vnet.net
• Subject: [mg86868] Re: Which function can do this?
• From: Alfred Heiligenbrunner <xxx at yyyy.zz>
• Date: Mon, 24 Mar 2008 01:44:53 -0500 (EST)
• References: <fs4rpd$p6n$1@smc.vnet.net>

Elements schrieb am 23.03.2008 07:02:
> Greeting all!
> Now I need a function to transform a polynomial about x to the one about x-1
> eg: x^3+2x^2+3x+4= (x-1)^3+5(x-1)^2+10(x-1)+10
> Does Mathematica supply a function to do this?
> Thanks!
> 

In[1]:=
(x^3+2x^2+3x+4 /. x -> (y+1) // Simplify) /. y -> (x-1)

Out[1]=
10 + 10*(-1 + x) + 5*(-1 + x)^2 + (-1 + x)^3