[SYSTEMDS-690] Add reverse slicing to PyDML

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Abandoned
• Fix Version/s: SystemDS 2.0
• Component/s: Parser, PythonAPI
• Epic Link: Improve PyDML Language
• Assignee: Unassigned
• Reporter: Mike Dusenberry
• Created: 13/May/16 18:26
• Updated: 02/Dec/23 19:05
• Resolved: 15/Aug/20 14:22

Description

In Python, the addition of a third "step" parameter in a slice will allow for reverse slicing, i.e., X[3:0:-1,] will return row 3 (inclusive) back to row 0 (exclusive) correctly reversed. We should add this to PyDML.

Issue Links

• relates to: SYSTEMDS-676 Improve PyDML Slicing