svn commit: r1432652 - /commons/proper/math/trunk/src/site/xdoc/userguide/linear.xml

[ps...@apache.org]

Author: psteitz
Date: Sun Jan 13 16:24:06 2013
New Revision: 1432652

URL: http://svn.apache.org/viewvc?rev=1432652&view=rev
Log:
Fixed error (reference to deleted class); added factory method example.

Modified:
    commons/proper/math/trunk/src/site/xdoc/userguide/linear.xml

Modified: commons/proper/math/trunk/src/site/xdoc/userguide/linear.xml
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/site/xdoc/userguide/linear.xml?rev=1432652&r1=1432651&r2=1432652&view=diff
==============================================================================
--- commons/proper/math/trunk/src/site/xdoc/userguide/linear.xml (original)
+++ commons/proper/math/trunk/src/site/xdoc/userguide/linear.xml Sun Jan 13 16:24:06 2013
@@ -51,15 +51,17 @@
         <p>
          Example:
          <source>
-// Create a real matrix with two rows and three columns
+// Create a real matrix with two rows and three columns, using a factory
+// method that selects the implementation class for us.
 double[][] matrixData = { {1d,2d,3d}, {2d,5d,3d}};
-RealMatrix m = new Array2DRowRealMatrix(matrixData);
+RealMatrix m = MatrixUtils.createRealMatrix(matrixData);
 
-// One more with three rows, two columns
+// One more with three rows, two columns, this time instantiating the
+// RealMatrix implementation class directly.
 double[][] matrixData2 = { {1d,2d}, {2d,5d}, {1d, 7d}};
 RealMatrix n = new Array2DRowRealMatrix(matrixData2);
 
-// Note: The constructor copies  the input double[][] array.
+// Note: The constructor copies  the input double[][] array in both cases.
 
 // Now multiply m by n
 RealMatrix p = m.multiply(n);
@@ -67,7 +69,7 @@ System.out.println(p.getRowDimension());
 System.out.println(p.getColumnDimension()); // 2
 
 // Invert p, using LU decomposition
-RealMatrix pInverse = new LUDecompositionImpl(p).getSolver().getInverse();
+RealMatrix pInverse = new LUDecomposition(p).getSolver().getInverse();
          </source>
         </p>
         <p>