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On the spline approximation for integrals with a logarithmic kernel

National Aeronautical Laboratory
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  • Aeronautics (General)


In this note a method based on cubic spline approximation is given for evaluating integrals of the type Jquot; f ( z ) In z dx when f ( x ) is given at some discrete points. A few tests on examples of aerodynamic interest showed that the accuracy of this method is superior to that obtainable from currently13; available Gaussian formulae.

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