Re: Lists of objects?

[Joanna Rutkowska]

On 10/25/12 23:23, Sergei Steshenko wrote:
> > ________________________________
> > From: Joanna Rutkowska <address@hidden>
> > To: address@hidden
> > Sent: Thursday, October 25, 2012 9:46 PM
> > Subject: Lists of objects?
> [snip]
> > obj1 = xxx ()
> > list = {list, obj1}
> >
> > obj2 = xxx ()
> > list = {list, obj2}
> >
> > The code above unfortunately doesn't work well, because it creates nested cell 
> > arrays.
> >
> > ?
> [snip]
> > Thanks,
> > joanna.
> > _______________________________________________
> > Help-octave mailing list
> > address@hidden
> > https://mailman.cae.wisc.edu/listinfo/help-octave
>
> According to Jordi, I am well known for misunderstanding of cell arrays, 
> structs, etc., but somehow I manage them to do what I need.
>
> How about the following:
>
> "octave:1> list_of_objects = {}
> list_of_objects = {}(0x0)
> octave:2> foo = 1
> foo =  1
> octave:3> list_of_objects{end + 1} = foo
> list_of_objects =
> {
>    [1,1] =  1
> }
> octave:4> bar = [1 2 3]
> bar =
>
>     1   2   3
>
> octave:5> list_of_objects{end + 1} = bar
> list_of_objects =
> {
>    [1,1] =  1
>    [1,2] =
>
>       1   2   3
>
> }
> octave:6> doo = [4 5 6; 7 8 9]
> doo =
>
>     4   5   6
>     7   8   9
>
> octave:7> list_of_objects{end + 1} = doo
> list_of_objects =
> {
>    [1,1] =  1
>    [1,2] =
>
>       1   2   3
>
>    [1,3] =
>
>       4   5   6
>       7   8   9
>
> }
> octave:8> boo = "Hello"
> boo = Hello
> octave:9> list_of_objects{end + 1} = boo
> list_of_objects =
> {
>    [1,1] =  1
>    [1,2] =
>
>       1   2   3
>
>    [1,3] =
>
>       4   5   6
>       7   8   9
>
>    [1,4] = Hello
> }
> octave:10> list_of_objects
> list_of_objects =
> {
>    [1,1] =  1
>    [1,2] =
>
>       1   2   3
>
>    [1,3] =
>
>       4   5   6
>       7   8   9
>
>    [1,4] = Hello
> }
> octave:11> list_of_objects{3}
> ans =
>
>     4   5   6
>     7   8   9
>
> octave:12>
>
> "
>
> ?
Thanks, that worked! Any idea why I couldn't use normal lists for 
stroing objects of the same type, as described in my original message?

Thanks,
joanna.