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MATH-428 

Added a constructor.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1030918 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gilles Sadowski 2010-11-04 12:57:33 +00:00
parent b27299f9ed
commit 56a423c496
1 changed files with 39 additions and 7 deletions
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46
src/main/java/org/apache/commons/math/optimization/direct/NelderMeadSimplex.java
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@ -55,7 +55,44 @@ public class NelderMeadSimplex extends AbstractSimplex {
* @param n Dimension of the simplex.
*/
public NelderMeadSimplex(final int n) {
this(n, DEFAULT_RHO, DEFAULT_KHI, DEFAULT_GAMMA, DEFAULT_SIGMA);
this(n, 1d);
}
/**
* Build a Nelder-Mead simplex with default coefficients.
* The default coefficients are 1.0 for rho, 2.0 for khi and 0.5
* for both gamma and sigma.
*
* @param n Dimension of the simplex.
* @param sideLength Length of the sides of the default (hypercube)
* simplex. See {@link AbstractSimplex#AbstractSimplex(int,double)}.
*/
public NelderMeadSimplex(final int n, double sideLength) {
this(n, sideLength,
DEFAULT_RHO, DEFAULT_KHI, DEFAULT_GAMMA, DEFAULT_SIGMA);
}
/**
* Build a Nelder-Mead simplex with specified coefficients.
*
* @param n Dimension of the simplex. See
* {@link AbstractSimplex#AbstractSimplex(int,double)}.
* @param sideLength Length of the sides of the default (hypercube)
* simplex. See {@link AbstractSimplex#AbstractSimplex(int,double)}.
* @param rho Reflection coefficient.
* @param khi Expansion coefficient.
* @param gamma Contraction coefficient.
* @param sigma Shrinkage coefficient.
*/
public NelderMeadSimplex(final int n, double sideLength,
final double rho, final double khi,
final double gamma, final double sigma) {
super(n, sideLength);
this.rho = rho;
this.khi = khi;
this.gamma = gamma;
this.sigma = sigma;
}
/**
@ -71,12 +108,7 @@ public class NelderMeadSimplex extends AbstractSimplex {
public NelderMeadSimplex(final int n,
final double rho, final double khi,
final double gamma, final double sigma) {
super(n);
this.rho = rho;
this.khi = khi;
this.gamma = gamma;
this.sigma = sigma;
this(n, 1d, rho, khi, gamma, sigma);
}
/**