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()
public AlgoFitLog(Construction cons, String label, GeoList geolist) {
this(cons, geolist);
geofunction.setLabel(label);
} // Constructor