       Re: time series

• To: mathgroup at smc.vnet.net
• Subject: [mg46407] Re: time series
• Date: Mon, 16 Feb 2004 23:43:46 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

```On 2/16/04 at 9:00 AM, tarpanelli at libero.it (paolo tarpanelli)
wrote:

>Given a time series x={a1,a2,a3,a4,a5,a6,...,an}

>how can i divide it in different segments x1, x2,..., xn

>x1={a1,a2,a3} x2={a4,a5,a6} .... xn={an-2,an-1,an}

Try

x=Table[Random[],{12}];
variables=Table[ToExpression["x"<>ToString@n],{n,4}];
x1

{0.543968,0.431695,0.106827}

The first line defines x to be a vector with 12 random reals

The second line defines variables to be a vector with 4 elements x1 through x4

The third line splits x into segments (Partition) and sets each group of three to the symbols contained in variables.

And the last line simply prints the values assigned to x1
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