[jira] Created: (MATH-234) setColumn and setRow methods for RealMatrixImpl class

["James Housden (JIRA)" <ji...@apache.org>]

setColumn and setRow methods for RealMatrixImpl class
-----------------------------------------------------

                 Key: MATH-234
                 URL: https://issues.apache.org/jira/browse/MATH-234
             Project: Commons Math
          Issue Type: Improvement
    Affects Versions: 2.0
            Reporter: James Housden
            Priority: Minor
             Fix For: 2.0


The RealMatrixImpl class has only the setSubMatrix method for updating matrix elements.
It would be useful to include methods to
(i)  set the elements of one row of a matrix
(ii) set the elements of one column of the matrix.

Possible signatures are:

setRow(int rowIndex, double[]      rowVector)
setRow(int rowIndex, RealVector rowVector)
setColumn(int columnIndex, double[]      columnVector)
setColumn(int columnIndex, RealVector columnVector)



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[jira] Resolved: (MATH-234) setColumn and setRow methods for RealMatrixImpl class

["Luc Maisonobe (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MATH-234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luc Maisonobe resolved MATH-234.
--------------------------------

    Resolution: Fixed

fixed in trunk as of r724158
The method names have been changed a little for consistency with the existing get methods

> setColumn and setRow methods for RealMatrixImpl class
> -----------------------------------------------------
>
>                 Key: MATH-234
>                 URL: https://issues.apache.org/jira/browse/MATH-234
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 2.0
>            Reporter: James Housden
>            Assignee: Luc Maisonobe
>            Priority: Minor
>             Fix For: 2.0
>
>
> The RealMatrixImpl class has only the setSubMatrix method for updating matrix elements.
> It would be useful to include methods to
> (i)  set the elements of one row of a matrix
> (ii) set the elements of one column of the matrix.
> Possible signatures are:
> setRow(int rowIndex, double[]      rowVector)
> setRow(int rowIndex, RealVector rowVector)
> setColumn(int columnIndex, double[]      columnVector)
> setColumn(int columnIndex, RealVector columnVector)

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