/**
* function to build the tree with its Xvalues and creates the nodes from String expression based
* on Prefix expression format as parameter
*/
public void buildTree(String str) {
this.prefix = str;
Helper help = new Helper();
ArrayList<String> functionexpression = new ArrayList<>();
for (int i = 0; i < ts.xValues.length; i++) {
functionexpression = help.replaceXwithValue(str, ts.xValues[i]);
this.buildTreeWithValues(functionexpression);
}
}
// change to arraylist
private double[] calculateRealOutPutValues(String suggestedFunctionExpression) throws Exception {
this.realOutPutValues = null;
Tree[] tree = new Tree[ts.xValues.length];
Helper help = new Helper();
realOutPutValues = new double[ts.xValues.length];
for (int i = 0; i < ts.xValues.length; i++) {
ArrayList<String> functionexpression =
help.replaceXwithValue(suggestedFunctionExpression, this.ts.xValues[i]);
tree[i] = new Tree(true);
tree[i].setPrefix(suggestedFunctionExpression);
tree[i].buildTreeWithValues(functionexpression);
realOutPutValues[i] = tree[i].evaluate();
this.validTree = tree[i].validTree;
if (this.validTree == false) break;
}
return this.realOutPutValues;
}
