Apache
/
commons-math
mirror of https://github.com/apache/commons-math.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'feature-MATH-1355' into develop 

Fixes the following issue (see JIRA):
  MATH-1355
This commit is contained in:
Gilles 2016-04-21 23:39:06 +02:00
parent 03661de17a 350c477161
commit 6c4fc0647f
1 changed files with 7 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/main/java/org/apache/commons/math4/linear/MatrixUtils.java
View File

@ -204,19 +204,16 @@ public class MatrixUtils {
} }
/** /**
* Returns a diagonal matrix with specified elements. * Creates a diagonal matrix with the specified diagonal elements.
*
* @param diagonal Diagonal elements of the matrix.
* The array elements will be copied.
* @return a diagonal matrix instance.
* *
* @param diagonal diagonal elements of the matrix (the array elements
* will be copied)
* @return diagonal matrix
* @since 2.0 * @since 2.0
*/ */
public static RealMatrix createRealDiagonalMatrix(final double[] diagonal) { public static DiagonalMatrix createRealDiagonalMatrix(final double[] diagonal) {
final RealMatrix m = createRealMatrix(diagonal.length, diagonal.length); return new DiagonalMatrix(diagonal, true);
for (int i = 0; i < diagonal.length; ++i) {
m.setEntry(i, i, diagonal[i]);
}
return m;
} }
/** /**