public double[][] getTransiton(int segmentId, int sngSerialId, String startTime, String endTime) {
if (!isSetTrans) {
setPara();
ArrayList<Integer> array = getIc(segmentId, sngSerialId, startTime, endTime);
toTransTensor(array, order);
Matrix.transpose(transition, stateSpace);
isSetTrans = true;
}
return transition;
}
@Override
public void toTransTensor(ArrayList<Integer> array, int order) {
// TODO Auto-generated method stub
transition = new double[stateSpace][stateSpace];
while (order > 0) {
double[] sum = new double[stateSpace];
double[][] transitionN = new double[stateSpace][stateSpace];
for (int i = 0; i < array.size() - order; i++) {
if (array.get(i) / mode >= stateSpace && array.get(i + order) / mode >= stateSpace) {
sum[stateSpace - 1] += 1;
transitionN[stateSpace - 1][stateSpace - 1] += 1;
} else if (array.get(i) / mode >= stateSpace) {
sum[stateSpace - 1] += 1;
transitionN[stateSpace - 1][array.get(i + order)] += 1;
} else if (array.get(i + order) / mode >= stateSpace) {
sum[array.get(i) / mode] += 1;
transitionN[array.get(i) / mode][stateSpace - 1] += 1;
} else {
sum[array.get(i) / mode] += 1;
transitionN[array.get(i) / mode][array.get(i + order) / mode] += 1;
}
}
for (int i = 0; i < stateSpace; i++) {
for (int j = 0; j < stateSpace; j++) {
if (sum[i] > 0) transitionN[i][j] /= sum[i];
// else transition[i][i] =1;
else {
transition[i][i] = 1.0 / stateSpace;
// transitionN[i][i] = 0.0;
}
}
}
Matrix.add(transition, transitionN, stateSpace, para[order - 1]);
order--;
}
}
