FN_HG2
Name
fn_hg2
Purpose
Evaluate the 2-parameter Henyey-Greenstein phase function.
Description
Category
Mathematical
Calling Sequence
FN_HG3, g, a, F, /radians
Inputs
g: Phase angle(s) in degrees.
a: Array of parameters:
A[0] = asymmetry (ought to be positive)
A[1] = forward fraction (between 0 and 1)
Optional Input Parameters
Keyword Input Parameters
radians: Phase angle is in radians instead of default degrees.
Outputs
F: The value of the function at each g.
Keyword Output Parameters
Optional Output Parameters
Common Blocks
None.
Side Effects
None.
Restrictions
None.
Procedure
Modification History
2001-Nov-19 Created by Will Grundy (based on fn_HG3.pro)