Function
NumCosmoMathSpectralget_x2_matrix
Declaration [src]
NcmMatrix*
ncm_spectral_get_x2_matrix (
guint N
)
Description [src]
Returns the multiplication by $x^2$ operator matrix that transforms Chebyshev $T_n$ coefficients of $f(x)$ to Gegenbauer $C^{(2)}_k$ coefficients of $x^2 \cdot f(x)$.
Return value
Type: NcmMatrix
The $x^2$ operator matrix.
| The caller of the function takes ownership of the data, and is responsible for freeing it. |