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Re: Subscripted variables and function definitions


Jens-Peer Kuska wrote:

> Hi,
> 
> you should use Symbolize[] from the Notation package, if
> you need Subscript[_,_] in a function pattern.

Thanks for the hint. I will look this up.

> 
> and X[1] is a *function* call to the function X[]
> with the arguments 1 while
> X[[1]] is the Part[], i.e., the first element of
> the value of X, and the value of X should be a list.
> You mix up both and that cause your problems.

Actually, that was a typo in my post. I am using X[[1]]/(X[[3]]+X[[4]]) and
I get what I described.

Any ideas ?


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