API Version: 1.0
Library Version: 0.27.0
Generated by gi-docgen 2026.1
gdouble ncm_spline2d_deriv_d2zdxy ( NcmSpline2d* s2d, gdouble x, gdouble y )
No description available.
x
Type: gdouble
gdouble
X-coordinate value.
y
Y-coordinate value.
The interpolated derivative $\mathrm{d}^2z/\mathrm{d}x\mathrm{d}y$ computed at the point (x, y).