Compute the multivariate Chebyshev-coefficients, given values on a Chebyshev grid.
Logical. Since the Chebyshev coefficients are closely related to
the DCT-II transform of
val has no
dim-attribute, it is assumed to be
one-dimensional of length the length of
If chebpol was compiled without FFTW, running
chebcoef on large grids may be slow and memory-demanding.
An array of Chebyshev-coefficients for an interpolating Chebyshev-polynomial.
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