Bags are container types, including lists, matrices, and sets (and
presumably multisets if we ever implement them).
This means that abs (for example) is treated as a strictly *scalar*
operation -- it does not mean vector or matrix norm:
abs( [a,b] ) => [ abs(a), abs(b) ]
abs( matrix([a,b]) ) => matrix([abs(a),abs(b)])
-s
On Tue, Nov 9, 2010 at 14:37, Edwin Woollett <woollett at charter.net> wrote:
> properties refers to bags:
>
> (%i4) properties(abs);
> (%o4) [integral,rule,"distributes over bags",noun,gradef,"system function"]
>
> but I don't find 'bags' in the help manual.
>
> Ted Woollett
>
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