Changeset 3d58247 in sasmodels for doc/guide


Ignore:
Timestamp:
Jan 12, 2018 10:57:34 AM (7 years ago)
Author:
dirk
Branches:
master, core_shell_microgels, magnetic_model, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests
Children:
92d330fd
Parents:
3c44c34
Message:

uniform distribution ignores nsigma

Location:
doc/guide/pd
Files:
2 edited

Legend:

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  • doc/guide/pd/polydispersity.rst

    r22279a4 r3d58247  
    7171where $\bar x$ is the mean of the distribution, $w$ is the half-width, and 
    7272*Norm* is a normalization factor which is determined during the numerical 
    73 calculation. 
     73calculation.  
    7474 
    7575Note that the standard deviation and the half width $w$ are different! 
     
    8686 
    8787    Rectangular distribution. 
     88     
     89 
    8890 
    8991Uniform Distribution 
     
    102104    where $\bar x$ is the mean of the distribution, $\sigma$ is the half-width, and 
    103105    *Norm* is a normalization factor which is determined during the numerical 
    104     calculation. 
     106    calculation.  
    105107 
    106108    Note that the polydispersity is given by 
     
    111113 
    112114        Uniform distribution. 
     115         
     116The value $N_\sigma$ is ignored for this distribution.         
    113117 
    114118.. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ 
     
    196200 
    197201Note that larger values of PD might need larger number of points and $N_\sigma$. 
    198 For example, at PD=0.7 and radius=60 |Ang|, Npts>=160 and Nsigmas>=15 at least. 
     202For example, at PD=0.7 and radius=60 |Ang|, Npts>=160 and $N_\sigma$>=15 at least. 
    199203 
    200204.. figure:: pd_schulz.jpg 
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