Changeset 57c609b in sasmodels


Ignore:
Timestamp:
Oct 12, 2018 4:14:45 PM (5 weeks ago)
Author:
Paul Kienzle <pkienzle@…>
Branches:
master, beta_approx, py3, ticket-1015-gpu-mem-error, ticket-1015-quick-fix, ticket-1157, ticket-608-user-defined-weights, ticket_1156
Children:
a4f1a73
Parents:
fba9ca0
Message:

Note bad implementation of JN and Si in docs

File:
1 edited

Legend:

Unmodified
Added
Removed
  • doc/guide/plugin.rst

    rfba9ca0 r57c609b  
    829829        If $n$ = 0 or 1, it uses sas_J0($x$) or sas_J1($x$), respectively. 
    830830 
     831        Warning: JN(n,x) can be very inaccurate (0.1%) for x not in [0.1, 100]. 
     832 
    831833        The standard math function jn(n, x) is not available on all platforms. 
    832834 
     
    837839        Sine integral Si\ $(x) = \int_0^x \tfrac{\sin t}{t}\,dt$. 
    838840 
     841        Warning: Si(x) can be very inaccurate (0.1%) for x in [0.1, 100]. 
     842 
    839843        This function uses Taylor series for small and large arguments: 
    840844 
    841         For large arguments, 
     845        For large arguments use the following Taylor series, 
    842846 
    843847        .. math:: 
     
    847851             - \frac{\sin(x)}{x}\left(\frac{1}{x} - \frac{3!}{x^3} + \frac{5!}{x^5} - \frac{7!}{x^7}\right) 
    848852 
    849         For small arguments, 
     853        For small arguments , 
    850854 
    851855        .. math:: 
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