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mk branch 146, 147: renaming some vars in CMA and the CMA type

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This commit is contained in:
Marcel Kronfeld 2008-08-11 15:34:31 +00:00
parent fe56e230ff
commit 249ceb6f3b
1 changed files with 16 additions and 16 deletions
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32
src/eva2/server/go/operators/mutation/MutateESCovarianceMartixAdaption.java → src/eva2/server/go/operators/mutation/MutateESCovarianceMatrixAdaption.java
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@ -16,7 +16,7 @@ import wsi.ra.math.Jama.Matrix;
* To change this template use Options | File Templates. * To change this template use Options | File Templates.
*/ */
public class MutateESCovarianceMartixAdaption implements InterfaceMutation, java.io.Serializable { public class MutateESCovarianceMatrixAdaption implements InterfaceMutation, java.io.Serializable {
private int m_D; private int m_D;
private double[] m_Z; private double[] m_Z;
@ -27,7 +27,7 @@ public class MutateESCovarianceMartixAdaption implements InterfaceMutation, java
private double cov; private double cov;
private double Beta; private double Beta;
private double[] s_N; private double[] s_N;
private double[] s_d_N; private double[] m_PathS;
public double[] Bz; public double[] Bz;
private double xi_dach; private double xi_dach;
private Matrix m_C; private Matrix m_C;
@ -38,10 +38,10 @@ public class MutateESCovarianceMartixAdaption implements InterfaceMutation, java
private int m_frequency = 1; private int m_frequency = 1;
private double[] m_Eigenvalues; private double[] m_Eigenvalues;
public MutateESCovarianceMartixAdaption() { public MutateESCovarianceMatrixAdaption() {
} }
public MutateESCovarianceMartixAdaption(MutateESCovarianceMartixAdaption mutator) { public MutateESCovarianceMatrixAdaption(MutateESCovarianceMatrixAdaption mutator) {
this.m_Counter = mutator.m_Counter; this.m_Counter = mutator.m_Counter;
this.m_frequency = mutator.m_frequency; this.m_frequency = mutator.m_frequency;
this.m_InitSigmaScalar = mutator.m_InitSigmaScalar; this.m_InitSigmaScalar = mutator.m_InitSigmaScalar;
@ -55,7 +55,7 @@ public class MutateESCovarianceMartixAdaption implements InterfaceMutation, java
this.Beta = mutator.Beta; this.Beta = mutator.Beta;
this.xi_dach = mutator.xi_dach; this.xi_dach = mutator.xi_dach;
if (mutator.s_N != null) this.s_N = (double[]) mutator.s_N.clone(); if (mutator.s_N != null) this.s_N = (double[]) mutator.s_N.clone();
if (mutator.s_d_N != null) this.s_d_N = (double[]) mutator.s_d_N.clone(); if (mutator.m_PathS != null) this.m_PathS = (double[]) mutator.m_PathS.clone();
if (mutator.Bz != null) this.Bz = (double[]) mutator.Bz.clone(); if (mutator.Bz != null) this.Bz = (double[]) mutator.Bz.clone();
if (mutator.m_C != null) this.m_C = (Matrix) mutator.m_C.clone(); if (mutator.m_C != null) this.m_C = (Matrix) mutator.m_C.clone();
if (mutator.B != null) this.B = (Matrix) mutator.B.clone(); if (mutator.B != null) this.B = (Matrix) mutator.B.clone();
@ -67,7 +67,7 @@ public class MutateESCovarianceMartixAdaption implements InterfaceMutation, java
* @return The clone * @return The clone
*/ */
public Object clone() { public Object clone() {
return new MutateESCovarianceMartixAdaption(this); return new MutateESCovarianceMatrixAdaption(this);
} }
/** This method allows you to evaluate wether two mutation operators /** This method allows you to evaluate wether two mutation operators
@ -75,8 +75,8 @@ public class MutateESCovarianceMartixAdaption implements InterfaceMutation, java
* @param mutator The other mutation operator * @param mutator The other mutation operator
*/ */
public boolean equals(Object mutator) { public boolean equals(Object mutator) {
if (mutator instanceof MutateESCovarianceMartixAdaption) { if (mutator instanceof MutateESCovarianceMatrixAdaption) {
MutateESCovarianceMartixAdaption mut = (MutateESCovarianceMartixAdaption)mutator; MutateESCovarianceMatrixAdaption mut = (MutateESCovarianceMatrixAdaption)mutator;
// i assume if the C Matrix is equal then the mutation operators are equal // i assume if the C Matrix is equal then the mutation operators are equal
try { try {
double[][] c1 = this.m_C.getArray(); double[][] c1 = this.m_C.getArray();
@ -115,11 +115,11 @@ public class MutateESCovarianceMartixAdaption implements InterfaceMutation, java
this.m_Z = new double[this.m_D]; this.m_Z = new double[this.m_D];
this.s_N = new double[this.m_D]; this.s_N = new double[this.m_D];
this.Bz = new double[this.m_D]; this.Bz = new double[this.m_D];
this.s_d_N = new double[this.m_D]; this.m_PathS = new double[this.m_D];
for (int i = 0; i < this.m_D; i++) { for (int i = 0; i < this.m_D; i++) {
this.s_N[i] = 0; this.s_N[i] = 0;
this.Bz[i] = 0; this.Bz[i] = 0;
this.s_d_N[i] = 0; this.m_PathS[i] = 0;
} }
this.xi_dach = Math.sqrt(this.m_D - 0.5); this.xi_dach = Math.sqrt(this.m_D - 0.5);
evaluateNewObjectX(x, ranges); evaluateNewObjectX(x, ranges);
@ -157,7 +157,7 @@ public class MutateESCovarianceMartixAdaption implements InterfaceMutation, java
private void adaptStrategy() { private void adaptStrategy() {
double Cij; double Cij;
double Bz_d; double Bz_d;
double length = 0.0; double pathLen = 0.0;
for (int i = 0; i < this.m_D; i++) for (int i = 0; i < this.m_D; i++)
this.s_N[i] = (1.0 - this.m_c) * this.s_N[i] + this.m_c * this.cu * this.Bz[i]; this.s_N[i] = (1.0 - this.m_c) * this.s_N[i] + this.m_c * this.cu * this.Bz[i];
// ADAPT COVARIANCE // ADAPT COVARIANCE
@ -171,12 +171,11 @@ public class MutateESCovarianceMartixAdaption implements InterfaceMutation, java
// ADAPT GLOBAL STEPSIZE // ADAPT GLOBAL STEPSIZE
for (int i = 0; i < this.m_D; i++) { for (int i = 0; i < this.m_D; i++) {
Bz_d = 0.0; Bz_d = 0.0;
for (int j = 0; j < this.m_D; j++) for (int j = 0; j < this.m_D; j++) Bz_d = Bz_d + this.B.get(i, j) * this.m_Z[j];
Bz_d = Bz_d + this.B.get(i, j) * this.m_Z[j]; this.m_PathS[i] = (1.0 - this.m_c) * this.m_PathS[i] + this.m_c * this.cu * Bz_d;
this.s_d_N[i] = (1.0 - this.m_c) * this.s_d_N[i] + this.m_c * this.cu * Bz_d; pathLen = pathLen + this.m_PathS[i] * this.m_PathS[i];
length = length + this.s_d_N[i] * this.s_d_N[i];
} }
this.m_SigmaGlobal = this.m_SigmaGlobal * Math.exp(this.Beta * this.m_c * (Math.sqrt(length) - this.xi_dach));; this.m_SigmaGlobal = this.m_SigmaGlobal * Math.exp(this.Beta * this.m_c * (Math.sqrt(pathLen) - this.xi_dach));;
} }
private void evaluateNewObjectX(double[] x,double[][] range) { private void evaluateNewObjectX(double[] x,double[][] range) {
@ -241,6 +240,7 @@ public class MutateESCovarianceMartixAdaption implements InterfaceMutation, java
if (this.m_CheckConstraints == true) { if (this.m_CheckConstraints == true) {
for (int i = 0; i < m_D; i++) { for (int i = 0; i < m_D; i++) {
if (x[i] < range[i][0] || x[i] > range[i][1]) { if (x[i] < range[i][0] || x[i] > range[i][1]) {
// undo the step and try new Z
for (int j = 0; j < this.m_D; j++) x[j] = x[j] - this.m_SigmaGlobal * this.Bz[j]; for (int j = 0; j < this.m_D; j++) x[j] = x[j] - this.m_SigmaGlobal * this.Bz[j];
this.m_Z[i] = RNG.gaussianDouble(1.0); this.m_Z[i] = RNG.gaussianDouble(1.0);
constraint = false; constraint = false;