Re: An Array of Equation Parameters
- To: mathgroup at smc.vnet.net
- Subject: [mg59895] Re: [mg59861] An Array of Equation Parameters
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Thu, 25 Aug 2005 06:33:29 -0400 (EDT)
- Reply-to: hanlonr at cox.net
- Sender: owner-wri-mathgroup at wolfram.com
m=Array[a,{3,4}];
f@@#&/@m
{f(a(1,1),a(1,2),a(1,3),a(1,4)),f(a(2,1),a(2,2),a(2,3),a(2,4)),f(a(
3,1),a(3,2),a(3,3),a(3,4))}
f@@@m
{f(a(1,1),a(1,2),a(1,3),a(1,4)),f(a(2,1),a(2,2),a(2,3),a(2,4)),f(a(
3,1),a(3,2),a(3,3),a(3,4))}
%==%%
True
To change the order of the parameters
f[#[[3]],#[[2]],#[[1]],#[[4]]]&/@m
{f(a(1,3),a(1,2),a(1,1),a(1,4)),f(a(2,3),a(2,2),a(2,1),a(2,4)),f(a(
3,3),a(3,2),a(3,1),a(3,4))}
f@@#[[{3,2,1,4}]]&/@m
{f(a(1,3),a(1,2),a(1,1),a(1,4)),f(a(2,3),a(2,2),a(2,1),a(2,4)),f(a(
3,3),a(3,2),a(3,1),a(3,4))}
%==%%
True
Bob Hanlon
>
> From: acvwilson at gmail.com
To: mathgroup at smc.vnet.net
> Date: 2005/08/24 Wed AM 06:30:40 EDT
> Subject: [mg59895] [mg59861] An Array of Equation Parameters
>
> This seems like a fairly easy problem in other languages but I can't
> figure out how to do it in Mathematica.
>
> I am trying to set up an array of equation parameters, where each entry
> in the array is a list of parameters for a function. I also don't know
> how to get values out of a list to plug into the function. If anyone
> knows how to solve this problem please help me out.
>
> Thanks,
> Asa
>
>