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Changed to use updated decomp API. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731087 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Phil Steitz 2009-01-03 20:50:35 +00:00
parent dc68d63d33
commit bede64cd3f
2 changed files with 3 additions and 3 deletions
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4
src/java/org/apache/commons/math/stat/regression/GLSMultipleLinearRegression.java
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@ -79,7 +79,7 @@ public class GLSMultipleLinearRegression extends AbstractMultipleLinearRegressio
*/
protected RealMatrix getOmegaInverse() {
if (OmegaInverse == null) {
OmegaInverse = new LUSolver(new LUDecompositionImpl(Omega)).getInverse();
OmegaInverse = new LUDecompositionImpl(Omega).getSolver().getInverse();
}
return OmegaInverse;
}
@ -95,7 +95,7 @@ public class GLSMultipleLinearRegression extends AbstractMultipleLinearRegressio
RealMatrix OI = getOmegaInverse();
RealMatrix XT = X.transpose();
RealMatrix XTOIX = XT.multiply(OI).multiply(X);
RealMatrix inverse = new LUSolver(new LUDecompositionImpl(XTOIX)).getInverse();
RealMatrix inverse = new LUDecompositionImpl(XTOIX).getSolver().getInverse();
return inverse.multiply(XT).multiply(OI).multiply(Y);
}

2
src/java/org/apache/commons/math/stat/regression/OLSMultipleLinearRegression.java
View File

@ -108,7 +108,7 @@ public class OLSMultipleLinearRegression extends AbstractMultipleLinearRegressio
*/
protected RealMatrix calculateBetaVariance() {
RealMatrix XTX = X.transpose().multiply(X);
return new LUSolver(new LUDecompositionImpl(XTX)).getInverse();
return new LUDecompositionImpl(XTX).getSolver().getInverse();
}