the return matrix as in revenue/profit
the label vector
Calculate basis statistics (mean and covariance).
Show the flaw by printing the error message.
Show the flaw by printing the error message.
the method where the error occurred
the error message
Find an optimal solution to the portfolio optimization problem, i.
Find an optimal solution to the portfolio optimization problem, i.e., find a vector x, indicating to fraction of each instrument to invest in that that minimizes the risk.
This class is used to solve Portfilio Optimization Problems.