Changeset 948db69 in sasmodels
- Timestamp:
- Aug 29, 2016 10:51:19 AM (8 years ago)
- Branches:
- master, core_shell_microgels, costrafo411, magnetic_model, release_v0.94, release_v0.95, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests
- Children:
- eb574d7
- Parents:
- 1392831
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
sasmodels/models/unified_power_Rg.py
r40a87fa r948db69 8 8 has been added which simply calculates 9 9 10 .. math: 10 .. math:: 11 11 12 12 I(q) = \text{scale} / q + \text{background} … … 16 16 (Debye equation), ellipsoidal particles, etc. 17 17 18 The empirical fit function is (eq 9'):18 The empirical fit function is: 19 19 20 .. math: 20 .. math:: 21 21 22 22 I(q) = \text{background} … … 28 28 where 29 29 30 .. math: 30 .. math:: 31 31 32 32 q_i^* = \frac{q}{\operatorname{erf}^3(q R_{gi}/\sqrt{6}} … … 45 45 where the $q$ vector is defined as 46 46 47 .. math: 47 .. math:: 48 48 49 49 q = \sqrt{q_x^2 + q_y^2} … … 66 66 67 67 category = "shape-independent" 68 name = "unified_power_Rg" 69 title = "Unified Power Rg" 70 description = """ 71 The Beaucage model employs the empirical multiple level unified 72 Exponential/Power-law fit method developed by G. Beaucage. Four functions 73 are included so that 1, 2, 3, or 4 levels can be used. 74 """ 68 75 69 76 # pylint: disable=bad-whitespace, line-too-long
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