24 void read_table(
string filename, vector<double> &z_vector, vector<vector<double>> &x_matrix, vector<vector<double>> &y_matrix);
void read_table(string filename, vector< double > &z_vector, vector< vector< double >> &x_matrix, vector< vector< double >> &y_matrix)
Reads glass ASTM data from a file with the given file name.