In numerical analysis, Chebyshev nodes (also called Chebyshev points or a Chebyshev grid) are a set of specific algebraic numbers used as nodes for polynomial interpolation and numerical integration. They are the projection of a set of equispaced points on the unit circle onto the real interval [ − 1 , 1 ] {\displaystyle [-1,1]} , the circle's diameter.
In numerical analysis, Chebyshev nodes (also called Chebyshev points or a Chebyshev grid) are a set of specific algebraic numbers used as nodes for polynomial interpolation and numerical integration. They are the projection of a set of equispaced points on the unit circle onto the real interval [ − 1 , 1 ] {\displaystyle [-1,1]} , the circle's diameter.
Source: Wikipedia "Chebyshev nodes" · CC BY-SA 4.0
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