@Override
public String toString() {
XStream xstream = new XStream();
xstream.processAnnotations(this.getClass());
xstream.processAnnotations(function.getClass());
xstream.processAnnotations(adapter.getClass());
return xstream.toXML(this);
}
public double activate(double[] values) {
double sum = 0;
for (int i = 0; i < weights.length; i++) sum += weights[i] * values[i];
if (adapter != null) sum = adapter.adapt(sum);
return function.transfer(sum);
} // activate