Changeset 404ebbd in sasmodels for sasmodels/models/lorentz.py

Timestamp:

Jul 29, 2017 10:56:22 PM (7 years ago)

Author:

Paul Kienzle <pkienzle@…>

Branches:

master, core_shell_microgels, costrafo411, magnetic_model, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests

Children:

48462b0

Parents:

a151caa

Message:

tuned random model generation for more models

File:

• sasmodels/models/lorentz.py (modified) (2 diffs)

sasmodels/models/lorentz.py

@@ -30 +30 @@
 description = """
 Model that evaluates a Lorentz (Ornstein-Zernicke) model.
-        
+
 I(q) = scale/( 1 + (q*L)^2 ) + bkd
-        
-The model has three parameters: 
-    length     =  screening Length
-    scale  =  scale factor
-    background    =  incoherent background
+
+The model has three parameters:
+    length = screening Length
+    scale = scale factor
+    background = incoherent background
 """
 category = "shape-independent"
@@ -48 +48 @@
 """
 
+def random():
+    import numpy as np
+    pars = dict(
+        #background=0,
+        scale=10**np.random.uniform(1, 4),
+        cor_length=10**np.random.uniform(0, 3),
+    )
+    return pars
+
 # parameters for demo
 demo = dict(scale=1.0, background=0.0, cor_length=50.0)