GET
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GET - extract a subset of input data
Extract a subset of input data.
| if j is given: | vector: y[0..j-1] = x[i..i+j-1] |
| otherwise | number: y = x[j] |
Usage:
GET x i j
GET x i
Usage:
| x | vector |
| i | element index |
| j | number of elements |
Outputs:
| y | number or vector |
