Description Usage Arguments Value Author(s) References See Also Examples
This function computes the first and second velocity moments of a
Gauss-Hermite series given by the parameters x0
, sigma
,
h3
and h4
.
1 | GH.moments(x0, sigma, h3, h4)
|
x0, sigma, h3, h4 |
Parameters of the Gauss-Hermite series, as defined by van der Marel & Franx (1993) |
A two-component vector containing the velocity moments. The second
moment is returned as NA
if the variance is negative.
Oliver Czoske
van der Marel, R. P., Franx, M., Astroph. Journ. 407, 525 (1993)
1 2 | GH.moments(0, 230, 0.01, -0.02)
|
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