Re: Weird Print Result
- To: mathgroup at smc.vnet.net
- Subject: [mg74210] Re: Weird Print Result
- From: "Ray Koopman" <koopman at sfu.ca>
- Date: Wed, 14 Mar 2007 03:53:49 -0500 (EST)
- References: <et36rq$qgu$1@smc.vnet.net>
Bruce Colletti wrote:
> Re Mathematica 5.2 under WinXP.
>
> The code below creates the correct output, except for a strange concluding "4 Null."
>
> What does this weird last line of output mean (list length?), why does it print, and how can it be suppressed?
>
> Thankx.
>
> Bruce
>
>
> n = 2;
> T = Array[p, {n, n}];
> X0 = Array[x, {n}];
> X = (Expand /@ (X0.MatrixPower[T, 2]));
> Print /@ X[[1]]
You want Scan[Print,X[[1]]] instead of Map[Print,X[[1]]].