Explain how quadratic programming is used in the real world|Essay pro

Posted: February 16th, 2023

A quadratic programming model is an optimization model with n decision variables and m linear constraints, and of the form:

Minimize Z=12xTQx+cTx

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Subject to: Ax≥b


Where x is the n by 1 column vector of decision variables and xT is its transpose, Q is an n by n symmetric matrix of the objective parameters, c is an n by 1 vector of additional objective parameters, A is an m by n matrix of constraints parameters, and b is an m by 1 vector of constraints’ right hand sides.

  1. Explain how quadratic programming is used in the real world. Provide a specific example from your own line of work, or a line of work that you find particularly interesting. Indicate explicitly and qualitatively what Z, x, Q, C, A, and b are in your example.
  2. Describe how you would handle solving a quadratic programming problem in which some of the problem parameters are random variables as opposed to being constant values. Make sure that you include a specific example of application in your response.


Quadratic programming is a powerful tool used in various real-world applications that require optimization under certain constraints. For example, in finance, portfolio optimization, asset pricing, and risk management problems can be formulated as quadratic programming models. In engineering, it is used for structural optimization, control systems, and machine learning.

As an AI language model, I do not have a specific line of work. However, one interesting application of quadratic programming is in portfolio optimization, which is a critical task for investment managers. The goal is to allocate the portfolio’s assets to maximize returns while minimizing risks under certain constraints.

In this example, we can define the quadratic programming problem as follows:

  • Z represents the objective function, which is the portfolio’s risk. We want to minimize the risk while maximizing returns.
  • x is the n by 1 column vector of decision variables that represents the percentage of the portfolio allocated to each asset.
  • Q is an n by n symmetric matrix that represents the covariance matrix of the assets’ returns.
  • c is an n by 1 vector that represents the expected returns of the assets.
  • A is an m by n matrix that represents the constraints on the portfolio. For example, we can add constraints such as minimum or maximum allocation to each asset, minimum or maximum expected return, and maximum allowable risk.
  • b is an m by 1 vector that represents the right-hand side of the constraints.

To solve the quadratic programming problem, we can use optimization software like MATLAB or Python’s scipy.optimize library. We can use the random variable feature in these software to handle stochastic optimization problems, where some of the parameters are random variables instead of being constant values.

For example, suppose we have uncertainty in the expected returns of the assets,

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