Spectral interpolation on the nodes $\boldsymbol{\mathrm{LC}}^{(7,8)}_{(0,0)}$

Choose function
$f(x,y) = $
Choose parameters
Frequency $m_1$
Frequency $m_2$
Phase shift $\kappa_1$
Phase shift $\kappa_2$
Interval for $x$
Interval for $y$
View angles $(\theta,\varphi)$

Place holder

Interpolation nodes: $36$      Interpolation error: $0.0841112704$