Compute the value of Lagrange polynomial at given points
The function is implemented based on Barycentric method. The code is vectorized for fast speed. The mesh points x is a row vector. The mesh value y is a matrix, with each row representing the mesh values of a polynomial. y(i,j) is the value of the i'th polynomial at mesh points j. The return value p is a matrix, with p(i,j) to be the value of the i'th polynomial at points t(j)
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Hongkai Dai (2024). Compute the value of Lagrange polynomial at given points (https://www.mathworks.com/matlabcentral/fileexchange/36522-compute-the-value-of-lagrange-polynomial-at-given-points), MATLAB Central File Exchange. Recuperado .
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1.4.0.0 | Change the 'equal' between two double precision numbers to 'approximate equal'. Replace all 'repmat' to 'bsxfun' to speed up computation |
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1.2.0.0 | change the description of the file |
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1.1.0.0 | change some description |
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1.0.0.0 |