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-rw-r--r--gi/posterior-regularisation/prjava/src/optimization/gradientBasedMethods/DebugHelpers.java65
1 files changed, 0 insertions, 65 deletions
diff --git a/gi/posterior-regularisation/prjava/src/optimization/gradientBasedMethods/DebugHelpers.java b/gi/posterior-regularisation/prjava/src/optimization/gradientBasedMethods/DebugHelpers.java
deleted file mode 100644
index 6dc4ef6c..00000000
--- a/gi/posterior-regularisation/prjava/src/optimization/gradientBasedMethods/DebugHelpers.java
+++ /dev/null
@@ -1,65 +0,0 @@
-package optimization.gradientBasedMethods;
-
-import java.util.ArrayList;
-
-import optimization.util.MathUtils;
-
-
-
-public class DebugHelpers {
- public static void getLineSearchGraph(Objective o, double[] direction,
- double[] parameters, double originalObj,
- double originalDot, double c1, double c2){
- ArrayList<Double> stepS = new ArrayList<Double>();
- ArrayList<Double> obj = new ArrayList<Double>();
- ArrayList<Double> norm = new ArrayList<Double>();
- double[] gradient = new double[o.getNumParameters()];
- double[] newParameters = parameters.clone();
- MathUtils.plusEquals(newParameters,direction,0);
- o.setParameters(newParameters);
- double minValue = o.getValue();
- int valuesBiggerThanMax = 0;
- for(double step = 0; step < 2; step +=0.01 ){
- newParameters = parameters.clone();
- MathUtils.plusEquals(newParameters,direction,step);
- o.setParameters(newParameters);
- double newValue = o.getValue();
- gradient = o.getGradient();
- double newgradDirectionDot = MathUtils.dotProduct(gradient,direction);
- stepS.add(step);
- obj.add(newValue);
- norm.add(newgradDirectionDot);
- if(newValue <= minValue){
- minValue = newValue;
- }else{
- valuesBiggerThanMax++;
- }
-
- if(valuesBiggerThanMax > 10){
- break;
- }
-
- }
- System.out.println("step\torigObj\tobj\tsuffdec\tnorm\tcurvature1");
- for(int i = 0; i < stepS.size(); i++){
- double cnorm= norm.get(i);
- System.out.println(stepS.get(i)+"\t"+originalObj +"\t"+obj.get(i) + "\t" +
- (originalObj + originalDot*((Double)stepS.get(i))*c1) +"\t"+Math.abs(cnorm) +"\t"+c2*Math.abs(originalDot));
- }
- }
-
- public static double[] getNumericalGradient(Objective o, double[] parameters, double epsilon){
- int nrParameters = o.getNumParameters();
- double[] gradient = new double[nrParameters];
- double[] newParameters;
- double originalValue = o.getValue();
- for(int parameter = 0; parameter < nrParameters; parameter++){
- newParameters = parameters.clone();
- newParameters[parameter]+=epsilon;
- o.setParameters(newParameters);
- double newValue = o.getValue();
- gradient[parameter]=(newValue-originalValue)/epsilon;
- }
- return gradient;
- }
-}