[MATH-624] Need a method to solve upper and lower triangular systems

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0
• Fix Version/s: 3.0
• Labels: Backsolve Forwardsolve LowerTriangular UpperTriangular

Environment

Java

• Assignee: Phil Steitz
• Reporter: greg sterijevski
• Created: 20/Jul/11 17:20
• Updated: 24/Mar/12 16:17
• Resolved: 12/Aug/11 05:42

Description

I have run into a need to solve triangular systems. While (as Phil and Ted point out) I could use the LU and QR decompositions, it seems cleaner to have a couple of static functions which do this. I am including a patch to provide an implementation and the tests.