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Mantis - ALGLIB
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| ID: | Category: | Severity: | Reproducibility: | Date Submitted: | Last Update: |
| 144 | Data analysis | major | always | 2009-09-21 20:54 | 2009-09-21 22:30 |
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| Reporter: | SergeyB | Platform: | |||
| Assigned To: | SergeyB | OS: | |||
| Priority: | normal | OS Version: | |||
| Status: | resolved | Product Version: | 2.1.0 | ||
| Product Build: | Resolution: | fixed | |||
| Projection: | none | ||||
| ETA: | none | Fixed in Version: | 2.1.1 | ||
| Programming language: | Unspecified | ||||
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| Summary: | 0000144: FIXED: bug in mlpbase unit | ||||
| Description: |
"TanH" activation function was incorrectly calculated for arguments less than -100 (it was +1 instead of -1). This error was unlikely to trigger because of inputs normalization and task regularization, which make hard to achive such low inputs during normal conditions. This bug was introduced in the ALGLIB 2.1.0. Thanks to Andrei Rizhkovich for pointing out this bug. |
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| Issue History | |||||
| Date Modified | Username | Field | Change | ||
| 2009-09-21 20:54 | SergeyB | New Issue | |||
| 2009-09-21 20:54 | SergeyB | Status | new => assigned | ||
| 2009-09-21 20:54 | SergeyB | Assigned To | => SergeyB | ||
| 2009-09-21 20:54 | SergeyB | Programming language | => Unspecified | ||
| 2009-09-21 20:55 | SergeyB | Status | assigned => resolved | ||
| 2009-09-21 20:55 | SergeyB | Fixed in Version | => 2.1.1 | ||
| 2009-09-21 20:55 | SergeyB | Resolution | open => fixed | ||
| 2009-09-21 22:30 | SergeyB | Description Updated | |||
| There are no notes attached to this issue. |