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Groups > comp.soft-sys.math.mathematica > #3262

Re: Assigning part of indexed object

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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.

My may to do it :

m[1] = Range[5];
m[1] = ReplacePart[m[1], 1 -> 10]

{10, 2, 3, 4, 5}

--
Valeri

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Assigning part of indexed object "Fabrice P. Laussy" <fabrice.laussy@n0spam-gmail.com> - 2011-06-22 11:29 +0000
  Re: Assigning part of indexed object Valeri Astanoff <astanoff@gmail.com> - 2011-06-23 11:25 +0000
  Re: Assigning part of indexed object magma <maderri2@gmail.com> - 2011-06-23 11:26 +0000
  Re: Assigning part of indexed object Oleksandr Rasputinov <oleksandr_rasputinov@hmamail.com> - 2011-06-23 11:27 +0000
    Re: Assigning part of indexed object "Fabrice P. Laussy" <fabrice.laussy@n0spam-gmail.com> - 2011-06-24 11:52 +0000
      Re: Assigning part of indexed object Oleksandr Rasputinov <oleksandr_rasputinov@hmamail.com> - 2011-06-25 09:31 +0000
  Re: Assigning part of indexed object Leonid Shifrin <lshifr@gmail.com> - 2011-06-25 09:30 +0000
    Re: Assigning part of indexed object Oleksandr Rasputinov <oleksandr_rasputinov@hmamail.com> - 2011-06-26 10:31 +0000
    Re: Assigning part of indexed object Oleksandr Rasputinov <oleksandr_rasputinov@hmamail.com> - 2011-06-26 21:40 +0000
  Re: Assigning part of indexed object Leonid Shifrin <lshifr@gmail.com> - 2011-06-29 21:31 +0000
    Re: Assigning part of indexed object "Oleksandr Rasputinov" <oleksandr_rasputinov@hmamail.com> - 2011-07-01 00:46 +0000

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