Using Chebyshev polynomials to approximate partial differential equations

Caporale, Guglielmo Maria and Cerrato, Mario (2008) Using Chebyshev polynomials to approximate partial differential equations. Centre for International Capital Markets discussion papers, 2008 (10). pp. 1-15. ISSN 1749-3412

Abstract

This paper suggests a simple method based on a Chebyshev approximation at Chebyshev nodes to approximate partial differential equations. It consists in determining the value function by using a set of nodes and basis functions. We provide two examples: pricing a European option and determining the best policy for shutting down a machine. The suggested method is flexible, easy to programme and efficient. It is also applicable in other fields, providing efficient solutions to complex systems of partial differential equations.

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