Changes in / [4cdd0cc:0e0e867] in sasmodels

File:

• sasmodels/models/fractal.py (modified) (1 diff)

sasmodels/models/fractal.py

@@ -30 +30 @@
 
 where $\xi$ is the correlation length representing the cluster size and $D_f$
-is the fractal dimension, representing the self similarity of the structure.
+is the fractal dimension, representing the self similarity of the structure. 
+Note that S(q) here goes negative if $D_f$ is too large, and the Gamma function 
+diverges at $D_f$=0 and $D_f$=1.  
 
 **Polydispersity on the radius is provided for.**