From e26434979adc33bd949566ba7bf02dff64e80a3e Mon Sep 17 00:00:00 2001 From: Chris Dyer Date: Tue, 2 Oct 2012 00:19:43 -0400 Subject: cdec cleanup, remove bayesian stuff, parsing stuff --- .../src/optimization/util/Interpolation.java | 37 ---------------------- 1 file changed, 37 deletions(-) delete mode 100644 gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java (limited to 'gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java') diff --git a/gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java b/gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java deleted file mode 100644 index cdbdefc6..00000000 --- a/gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java +++ /dev/null @@ -1,37 +0,0 @@ -package optimization.util; - -public class Interpolation { - - /** - * Fits a cubic polinomyal to a function given two points, - * such that either gradB is bigger than zero or funcB >= funcA - * - * NonLinear Programming appendix C - * @param funcA - * @param gradA - * @param funcB - * @param gradB - */ - public final static double cubicInterpolation(double a, - double funcA, double gradA, double b,double funcB, double gradB ){ - if(gradB < 0 && funcA > funcB){ - System.out.println("Cannot call cubic interpolation"); - return -1; - } - - double z = 3*(funcA-funcB)/(b-a) + gradA + gradB; - double w = Math.sqrt(z*z - gradA*gradB); - double min = b -(gradB+w-z)*(b-a)/(gradB-gradA+2*w); - return min; - } - - public final static double quadraticInterpolation(double initFValue, - double initGrad, double point,double pointFValue){ - double min = -1*initGrad*point*point/(2*(pointFValue-initGrad*point-initFValue)); - return min; - } - - public static void main(String[] args) { - - } -} -- cgit v1.2.3