Thank you Anne
I was doing something totally stupid at my end.
Ross
On Wed, Sep 22, 2010 at 3:42 PM, Anne Archibald
wrote:
> On 22 September 2010 16:38, Ross Williamson
> wrote:
>> Hi everyone
>>
>> I suspect this is easy but I'm stuck
>>
>> say I have a 1D array:
>>
>> t = [10,11,12]
>>
>> an
On 22 September 2010 16:38, Ross Williamson
wrote:
> Hi everyone
>
> I suspect this is easy but I'm stuck
>
> say I have a 1D array:
>
> t = [10,11,12]
>
> and a 2D array:
>
> id = [[0,1,0]
> [0,2,0]
> [2,0,2]]
>
> In could in IDL do y = t[id] which would produce:
>
> y = [[10,11,10]
> [10,12,10]
Hi everyone
I suspect this is easy but I'm stuck
say I have a 1D array:
t = [10,11,12]
and a 2D array:
id = [[0,1,0]
[0,2,0]
[2,0,2]]
In could in IDL do y = t[id] which would produce:
y = [[10,11,10]
[10,12,10]
[12,10,12]]
i.e. use the indexes in id on the lookup array t.
Is there an easy