Description Usage Arguments Details Value See Also Examples

Compute the multivariate Chebyshev-coefficients, given values on a Chebyshev grid.

1 |

`val` |
An |

`dct` |
Logical. Since the Chebyshev coefficients are closely related to
the DCT-II transform of |

If `val`

has no `dim`

-attribute, it is assumed to be
one-dimensional of length the length of `val`

.

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.

1 2 3 |

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