Opened 6 years ago

Closed 22 months ago

#3275 closed defect (fixed)

Update heuristics for regularization

Reported by: Christian Andersson Owned by: Christian Andersson
Priority: major Milestone: Pending
Component: FMU/JMU runtime Version: trunk
Keywords: Cc:

Description

The heuristics for regularization in kinsol should be updated. The added heuristics should be:

IF scaling factors are set to max then
    check condition number
    IF condition number greater than regularization_tolerance (parameter) then
        regularize.

Depends on ticket:3274

Change History (8)

comment:1 Changed 6 years ago by Christian Andersson

changeset:5569

Added new heuristics for regularization. If the scaling factors are set to max then calculate the condition number and if the condition number is larger than regularization_tolerance (parameter), then regularize. Related to ticket:3275

comment:2 Changed 6 years ago by Christian Andersson

Type: enhancementdefect

comment:3 Changed 6 years ago by jakesson

changeset:5726:

Fixed computation of condition number in regularization check, see #3275.

comment:4 Changed 6 years ago by Tove Bergdahl

Milestone: 1.121.13.x

comment:5 Changed 6 years ago by Tove Bergdahl

Milestone: 1.13.xPending

comment:6 Changed 5 years ago by Iakov Nakhimovski

r7169:

#3275:switched off heuristics for regularization on minimal scaling.

comment:7 Changed 5 years ago by Iakov Nakhimovski

r7170:

#3275:switched off heuristics for regularization on minimal scaling - fixed for gcc warning.

comment:8 Changed 22 months ago by Jesper Mattsson

Resolution: fixed
Status: newclosed

Done.

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