view src/samer/functions/LogisticHyperplane.java @ 0:bf79fb79ee13

Initial Mercurial check in.

package samer.functions;

import samer.maths.*;

public class LogisticHyperplane extends FunctionOfVector {	
	double[]		norm;
	double		offset;
	Function	fn;
	
	public LogisticHyperplane(int n) {
		this(new double[n],0);
	}
	
	public LogisticHyperplane(double [] norm, double offset) {
		this.offset=offset;
		this.norm=norm;
		fn=new Step();
	}	
	
	public void setFunction(Function f) { fn=f; }
	public void setOffset(double r) { offset=r; }
	public void setNormal(double [] n) { norm=n; }
	public double getOffset() { return offset; }
	public double[] getNormal() { return norm; }
	
	public double apply(double [] in) {
		return fn.apply(Mathx.dot(in,norm)-offset);
	}
}