public static string GenerateSampleData(string equation)
{
string prefix = PrefixHelper.InfixToPrefix(equation);
List <Models.GA.InputFunction> data = new List <Models.GA.InputFunction>();
int sampleDataSize = 20;
int variableNumber = equation.Where(x => char.IsLetter(x)).Distinct().Count();
StringBuilder result = new StringBuilder();
for (int i = 0; i < sampleDataSize; i++)
{
result.Append("(");
double[] values = new double[variableNumber];
for (int j = 0; j < variableNumber; j++)
{
values[j] = RandomizationProvider.Current.GetDouble(-10, 10);
result.Append(values[j]);
if (j < variableNumber - 1)
{
result.Append(',');
}
}
result.Append(")(");
double result1 = PrefixHelper.EvaluatePrefix(prefix, values);
result.AppendLine($"{result1})");
InputFunction input = new InputFunction(result1, values);
data.Add(input);
}
return(result.ToString());
}