Re: Using Lists with Mapping

• To: mathgroup at smc.vnet.net
• Subject: [mg101437] Re: [mg101422] Using Lists with Mapping
• From: "Jacob A. Siehler" <siehlerj at wlu.edu>
• Date: Tue, 7 Jul 2009 07:46:43 -0400 (EDT)
• References: <200907070904.FAA22006@smc.vnet.net>

```Besides the question you're asking, I don't think you're
constructing your a and b lists quite the way you want.  Try this:

a = RealDigits[Pi, 7, 32][[1]]; b = RealDigits[E, 3, 32][[1]];
rule1 = {1 -> 2, 2 -> 4, 3 -> 5, 4 -> 7, 5 -> 9, 6 -> 11}
rule2 = {0 -> 1/4, 1 -> 1/8, 2 -> 1/16}
a = a /. rule1;
b = b /. rule2;

js

On Tue, 7 Jul 2009, BenT wrote:

>
> (* Given: *)
>
> a = RealDigits[Pi,7,32]; b = RealDigits[E,3,32];
>
> rule1 = {1 -> 2, 2 -> 4, 3 -> 5, 4 -> 7, 5 -> 9,
>  6 -> 11} (* apply C Major scale to the chromatic scale *)
>
> rule2 = {0->1/4,1->1/8,2->1/16} (* apply 3 duration values *)
>
> a /. rule1;
> b /. rule2;
>
> (* How can the below function(s) be modified to allow another list (b)
> to by mapped for substitution for the "1/8" duration parameter of the
> function? *)
>
> Sound[SoundNote[#,1/8] & /@ a, {0,8}]
>
> Any help would be greatly apprecated.
>
> Benjamin Tubb
> brtubb at pdmusic.org
> Mathematica 7 Home Edition User
>
> !SIG:4a5312f5280391812871034!
>
>

```

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