Hubbell rectangular source integral calculation using a fast Chebyshev wavelets method

• A numerical integration method using Chebyshev wavelets is detailed.
• Hubbell rectangular source integral is estimated using Chebyshev wavelets method.
• Convergence study of the Chebyshev wavelet method is performed.
• Comparison with earlier studies is presented.

An integration method based on Chebyshev wavelets is presented and used to calculate the Hubbell rectangular source integral. A study of the convergence and the accuracy of the method was carried out by comparing it to previous studies.