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  • sasmodels/models/core_shell_ellipsoid.py

    re5a8f33 rdb1d9d5  
    33---------- 
    44 
    5 Parameters for this model are the core axial ratio $X_{core}$ and a shell  
    6 thickness $t_{shell}$, which are more often what we would like to determine  
    7 and make the model better behaved, particularly when polydispersity is  
    8 applied, than the four independent radii used in the original parameterization  
     5Parameters for this model are the core axial ratio $X_{core}$ and a shell 
     6thickness $t_{shell}$, which are more often what we would like to determine 
     7and make the model better behaved, particularly when polydispersity is 
     8applied, than the four independent radii used in the original parameterization 
    99of this model. 
    1010 
     
    1919$X_{core}$ = 1 is a spherical core. 
    2020 
    21 For a fixed shell thickness $X_{polar shell}$ = 1, to scale $t_{shell}$  
     21For a fixed shell thickness $X_{polar shell}$ = 1, to scale $t_{shell}$ 
    2222pro-rata with the radius set or constrain $X_{polar shell}$ = $X_{core}$. 
    2323 
     
    4747 
    4848.. In following equation SK changed radius\_equat\_core to R_e 
    49    
     49 
    5050.. math:: 
    5151    :nowrap: 
     
    7676$V = (4/3)\pi R_pR_e^2$ is the volume of the ellipsoid , $R_p$ is the 
    7777polar radius along the rotational axis of the ellipsoid, $R_e$ is the 
    78 equatorial radius perpendicular to the rotational axis of the ellipsoid,  
    79 $t_{shell}$ is the thickness of the shell at the equator,  
     78equatorial radius perpendicular to the rotational axis of the ellipsoid, 
     79$t_{shell}$ is the thickness of the shell at the equator, 
    8080and $\Delta \rho$ (the contrast) is the scattering length density difference, 
    8181either $(\rho_{core} - \rho_{shell})$ or $(\rho_{shell} - \rho_{solvent})$. 
     
    161161source = ["lib/sas_3j1x_x.c", "lib/gauss76.c", "core_shell_ellipsoid.c"] 
    162162have_Fq = True 
    163 effective_radius_type = [ 
     163radius_effective_modes = [ 
    164164    "average outer curvature", "equivalent volume sphere", 
    165165    "min outer radius", "max outer radius", 
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