Features
- Indexing
Yorick is good at manipulating elements in N-dimensional arrays conveniently with its powerful syntax.
- Range of indices
Several elements can be accessed all at once:
> x=; > x > x(3:6) > x(3:6:2) > x(6:3:-2)- Arbitrary elements
- Pseudo-index
Like "theading" in PDL (Perl Data Language) and "broadcasting" in Numpy (Numeric extension for Python), Yorick has a mechanism to do this:
> x= > x > y=,] > y ,] > y(-,) ,,],,,]] > x(-,) ,,] > x(,-) ] > x(,-)/y ,] > y=,] > x(,-)/y ,]- Rubber index
".." is a rubber-index to represent zero or more dimensions of the array.
> x=,] > x ,] > x(..,1) > x(1,..) > x(2,..,2) 5"*" is a kind of rubber-index to reshape a slice(sub-array) of array to a vector.
> x(*)- Tensor multiplication
Tensor multiplication is done as follows in Yorick:
P(,+,,)*Q(,,+)
means
> x=,] > x ,] > y=,,] > x(,+)*y(+,) ,,] > x(+,)*y(,+) ,]Read more about this topic: Yorick (programming Language)
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