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ID Category Severity Reproducibility Date Submitted Last Update
0000401 [ALGLIB] Optimization minor always 2011-08-05 11:03 2011-10-17 15:56
Reporter SergeyB View Status public  
Assigned To SergeyB
Priority normal Resolution implemented Platform
Status resolved   OS
Projection none   OS Version
ETA none Fixed in Version 3.5.0 Product Version
  Target Version Product Build
Summary 0000401: FIXED: bug in LM optimizer
Description Numerical differentiation version of the LM optimizer implicitly assumed that if you have all variables constrained to one fixed value with constraints like ai<=xi<=ai, then initial value of xi MUST be equal to ai. When this assumption was violated, algorithm converged to the wrong point.
Steps To Reproduce
Additional Information
Programming language All
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- Issue History
Date Modified Username Field Change
2011-08-05 11:03 SergeyB New Issue
2011-08-05 11:03 SergeyB Status new => assigned
2011-08-05 11:03 SergeyB Assigned To => SergeyB
2011-08-05 11:03 SergeyB Programming language => All
2011-10-17 15:51 SergeyB Status assigned => resolved
2011-10-17 15:51 SergeyB Fixed in Version => Next release
2011-10-17 15:51 SergeyB Resolution open => implemented
2011-10-17 15:56 SergeyB Fixed in Version 3.4.0 => 3.5.0

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