Re: Simplify Exponential Output
- To: mathgroup at smc.vnet.net
- Subject: [mg108352] Re: Simplify Exponential Output
- From: "Nasser M. Abbasi" <nma at 12000.org>
- Date: Sun, 14 Mar 2010 06:00:49 -0500 (EST)
- References: <hng268$s1j$1@smc.vnet.net>
"davef" <davidfrick2003 at yahoo.com> wrote in message news:hng268$s1j$1 at smc.vnet.net... > 4^(0.5x) can be rewritten as 2^x (i.e., 2^[(2)(0.5)(x)]). > > How can I get Mathematica to output 4^0.5x as 2^x? > > E.g., my input is 4^(.5 x); how do I get output of 2^x? > If you Rationalize[] the value you are multiplying x with first, then you can use simplify, In[10]:= a = 0.5; Simplify[4^(Rationalize[a]*x)] Out[11]= 2^x --Nasser