Another associative array question: keys and delete

[Raymond E. Griffith]

on 5/1/04 11:20 PM, Robert Brenstein at rjb at robelko.com wrote:

>> I have an associative array from which I wish to remove elements. How do I
>> do this? I have Metacard 2.4.3. I have discovered that I cannot directly
>> adjust the keys of this array, but deleting the individual elements has also
>> been eluding me.
>> 
>> Any pointers would be greatly appreciated.
>> 
>> Thanks,
>> 
>> Raymond
> 
> delete myarray["keytodelete"]

Thanks, I'll try this tomorrow.

> 
> I don't think you can rename the keys but you can create a new key
> with the value of the old one then delete the old one.

Maybe I'm just being dense. Could you give an example, please?

I am working hard at improving the times needed for matrix operations (like
determinant). The determinant of large matrices is a time-consuming task,
and every advantage I can get would be worth it. I am looking at
determinants of 30x30 matrices for starters, but upwards from there, too.

Regards,

Raymond

> 
> Robert
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