Number of integration intervals
6
alp0, dalp0, alp1, dalp1, alp2, dalp2,  alp3
0.0    0.1    2.0   1.0    5.0   1.0    15.0
Relative particle concentration (ksi)
0.01
Output file
R_coh_Cheb_1o51_i0o0.txt
Input file of the single-scattering matrix expansion coefficients
S_Chebyshev.txt
Input file of the incoherent reflection matrix 
R_diffuse_Chebyshev.txt