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View Code? Open in Web Editor NEWA library providing interpolation on arbitrary dimension Cartesian mesh grid. And it's really fast.
License: MIT License
A library providing interpolation on arbitrary dimension Cartesian mesh grid. And it's really fast.
License: MIT License
The coefficient matrix is singular when using an even order spline on even number points and requiring periodicity. Say
InterpolationFunction<double, 1> interp{4, true, std::make_pair(begin, end), std::make_pair(0., 1.)};
with end - begin
is odd (in periodic case, last point is considered as same as the first one and point number is effectively reduced by one). And no error message is provided (not even from Eigen). Using the generated interpolation function interp
results in erroneous output.
如果网格不变,有多个函数需要插值,可以通过分离矩阵分解和控制点求解加速插值初始化。
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