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https://issues.apache.org/jira/browse/IGNITE-7660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Zinoviev resolved IGNITE-7660.
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Resolution: Invalid
> Refactor LSQR algorithm
> -----------------------
>
> Key: IGNITE-7660
> URL: https://issues.apache.org/jira/browse/IGNITE-7660
> Project: Ignite
> Issue Type: Improvement
> Components: ml
> Reporter: Anton Dmitriev
> Priority: Minor
>
> This issues is the nest step of the IGNITE-7438 task.
> In the IGNITE-7438 the AbstractLSQR implementation has been copied from the
> SciPy implementation which has been copies from another old implementation.
> As result the code in the
> [AbstractLSQR|https://github.com/apache/ignite/blob/master/modules/ml/src/main/java/org/apache/ignite/ml/math/isolve/lsqr/AbstractLSQR.java]
> looks a bit weird. All variables have meaningless names and the whole
> algorithm written as the one method.
> The goal of this task is to refactor the LSQR code and:
> * Make variable names more meaningful.
> * Add comments to the variables and result (see
> [LSQRResult|https://github.com/apache/ignite/blob/master/modules/ml/src/main/java/org/apache/ignite/ml/math/isolve/lsqr/LSQRResult.java]).
> * Move parts of the algorithm into separate methods where it's appropriate.
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