Function
NumCosmoMathSpectralget_d2_matrix
Declaration [src]
NcmMatrix*
ncm_spectral_get_d2_matrix (
guint N
)
Description [src]
Returns the second derivative operator matrix that transforms Chebyshev $T_n$ coefficients of $f(x)$ to Gegenbauer $C^{(2)}_k$ coefficients of $\frac{d^2f}{dx^2}$.
Return value
Type: NcmMatrix
The second derivative operator matrix.
| The caller of the function takes ownership of the data, and is responsible for freeing it. |