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  • sasmodels/models/onion.py

    r62dc889 rdb1d9d5  
    88.. note:: 
    99 
    10     *radius* represents the core radius $r_0$ and *thickness[k]* represents  
     10    *radius* represents the core radius $r_0$ and *thickness[k]* represents 
    1111    the thickness of the shell, $r_{k+1} - r_k$. 
    1212 
     
    6060and the volume is $V(r) = \frac{4\pi}{3}r^3$. 
    6161 
    62 The volume of the particle is determined by the radius of the outer  
     62The volume of the particle is determined by the radius of the outer 
    6363shell, so $V_\text{particle} = V(r_N)$. 
    6464 
     
    104104    B&=\frac{\rho_\text{out} - \rho_\text{in}}{e^A-1} 
    105105         & C &= \frac{\rho_\text{in}e^A - \rho_\text{out}}{e^A-1} \\ 
    106           
     106 
    107107    \alpha_\text{in} &= A\frac{r_{\text{shell}-1}}{\Delta t_\text{shell}} 
    108108         & \alpha_\text{out} &= A\frac{r_\text{shell}}{\Delta t_\text{shell}} \\ 
    109           
     109 
    110110    \beta_\text{in} &= qr_{\text{shell}-1} 
    111111        & \beta_\text{out} &= qr_\text{shell} \\ 
     
    123123**Linear SLD profile** ($A \sim 0$): 
    124124 
    125 For small $A$, say, $A = -0.0001$, the function converges to that of of a linear  
     125For small $A$, say, $A = -0.0001$, the function converges to that of of a linear 
    126126SLD profile with 
    127127 
     
    159159**Constant SLD** ($A = 0$): 
    160160 
    161 When $A = 0$ the exponential function has no dependence on the radius (meaning  
     161When $A = 0$ the exponential function has no dependence on the radius (meaning 
    162162$\rho_\text{out}$ is ignored in this case) and becomes flat. We set the constant 
    163163to $\rho_\text{in}$ for convenience, and thus the form factor contributed by 
     
    197197---------------------------- 
    198198 
    199 * **Author:**  
    200 * **Last Modified by:**  
     199* **Author:** 
     200* **Last Modified by:** 
    201201* **Last Reviewed by:** Steve King **Date:** March 28, 2019 
    202202* **Source added by :** Steve King **Date:** March 25, 2019 
     
    347347single = False 
    348348have_Fq = True 
    349 effective_radius_type = ["outer radius"] 
     349radius_effective_modes = ["outer radius"] 
    350350 
    351351profile_axes = ['Radius (A)', 'SLD (1e-6/A^2)'] 
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