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单词 VandermondeInterpolationApproach
释义

Vandermonde interpolation approach


The Vandermonde approach for interpolationMathworldPlanetmath is when we wish to determine the interpolating polynomial p(x)=a0+a1x+a2x2++anxn for the n+1 points (xi,yi), i=0,1,,n by forming the equations yi=a0+a1xi+a2x22++anxnn for i=0,1,,n, and solving for the unknown coefficients a0,a1,,an.

The system of equations can be written by using matrices Y=XA where X is a Vandermonde matrixMathworldPlanetmath.

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更新时间:2025/5/4 19:54:13