Re: Assigning part of indexed object
- To: mathgroup at smc.vnet.net
- Subject: [mg119795] Re: Assigning part of indexed object
- From: magma <maderri2 at gmail.com>
- Date: Thu, 23 Jun 2011 07:23:34 -0400 (EDT)
- References: <itsjn7$8u7$1@smc.vnet.net>
On Jun 22, 1:29 pm, "Fabrice P. Laussy" <fabrice.lau...@n0spam-
gmail.com> wrote:
> How do you set the part of an indexed object, say:
>
> m[1] = Range[5];
>
> is my indexed object (I could have m[2], etc.). Now I
> want to do something like:
>
> m[1][[1]] = 10;
>
> with effect of having m[1] read:
>
> {10, 2, 3, 4, 5}
>
> but of course the line above evaluates to 1 = 10.
>
> This could be achieved by having a non-indexed object get
> in the way, e.g., m1=m[1], assign m1 and then return to
> m[1]=m1, but I believe there should a more elegant way.
Use
ReplacePart[m[1], 1 -> 10]