Esempio n. 1
0
 protected final void compute() {
   int size = geolist.size();
   boolean regok = true;
   double a, b;
   if (!geolist.isDefined() || (size < 2)) { // 24.04.08: 2
     geofunction.setUndefined();
     return;
   } else {
     RegressionMath regMath = kernel.getRegressionMath();
     regok = regMath.doLog(geolist);
     if (regok) {
       a = regMath.getP1();
       b = regMath.getP2();
       MyDouble A = new MyDouble(kernel, a);
       MyDouble B = new MyDouble(kernel, b);
       FunctionVariable X = new FunctionVariable(kernel);
       ExpressionValue expr = new ExpressionNode(kernel, X, ExpressionNode.LOG, X);
       expr = new ExpressionNode(kernel, B, ExpressionNode.MULTIPLY, expr);
       ExpressionNode node = new ExpressionNode(kernel, A, ExpressionNode.PLUS, expr);
       Function f = new Function(node, X);
       geofunction.setFunction(f);
       geofunction.setDefined(true);
     } else {
       geofunction.setUndefined();
       return;
     } // if error in regression
   } // if error in parameters
 } // compute()
Esempio n. 2
0
 public AlgoFitLog(Construction cons, String label, GeoList geolist) {
   this(cons, geolist);
   geofunction.setLabel(label);
 } // Constructor