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GAUSS1P

GAUSS1P

Author

Craig B. Markwardt, NASA/GSFC Code 662, Greenbelt, MD 20770
craigm@lheamail.gsfc.nasa.gov

Purpose

Compute Gaussian curve given the mean, sigma and area (procedure).

Major Topics

Curve and Surface Fitting

Calling Sequence

GAUSS1, XVALS, [MEAN, SIGMA, AREA], YVALS, SKEW=skew

Description

This routine computes the values of a Gaussian function whose
X-values, mean, sigma, and total area are given. It is meant to be
a demonstration for curve-fitting.
XVALS can be an array of X-values, in which case the returned
Y-values are an array as well. The second parameter to GAUSS1
should be an array containing the MEAN, SIGMA, and total AREA, in
that order.

Inputs

X - Array of X-values.
[MEAN, SIGMA, AREA] - the mean, sigma and total area of the
desired Gaussian curve.
YVALS - returns the array of Y-values.

Keyword Parameters

SKEW - You may specify a skew value. Default is no skew.

Example

p = [2.2D, 1.4D, 3000.D]
x = dindgen(200)*0.1 - 10.
gauss1p, x, p, y
Computes the values of the Gaussian at equispaced intervals
(spacing is 0.1). The gaussian has a mean of 2.2, standard
deviation of 1.4, and total area of 3000.

Modification History

Transcribed from GAUSS1, 13 Dec 1999, CM
Added copyright notice, 25 Mar 2001, CM
\$Id: gauss1p.pro,v 1.2 2001/03/25 18:55:12 craigm Exp \$

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