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From "James Housden (JIRA)" <j...@apache.org>
Subject [jira] Created: (MATH-234) setColumn and setRow methods for RealMatrixImpl class
Date Thu, 04 Dec 2008 08:09:44 GMT
setColumn and setRow methods for RealMatrixImpl class
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                 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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