CovarianceUtilities.CalculateMeanAndCovariance(Formation, String, Array) Method

Top

Description

Calculates and returns the covariance of a distribution of orbit states in the specified element set defined in the Spacecraft in the provided Formation. Also, populates the meanState argument with the computed mean state.

Timing Precision Mode

This page describes functionality in millisecond timing precision mode. Millisecond timing precision mode is deprecated and will be removed in a future release. We recommend that you migrate your Mission Plans to nanosecond timing precision mode.

Click here to see the documentation for this object in nanosecond timing precision mode.

Method Signature

CovarianceUtilities.CalculateMeanAndCovariance(	Formation formation,
	String covarianceElementSet,
	Array meanState)

Arguments

formation
Description:	Formation object containing the states to use when computing the covariance.

covarianceElementSet

Description:

Element set definition for which the covariance will be computed.

Valid Values:

Value	Label
"Cartesian"	Cartesian Elements
"Equinoctial"	Equinoctial Elements
"SGP4Equinoctial"	SGP4Equinoctial Elements
"NoradEquinoctial"	NoradEquinoctial Elements (deprecated, use SGP4Equinoctial instead)

meanState
Description:	The computed mean state associated with the covariance matrix.

Return Value

Type:

Matrix of number

Returns a covariance matrix.

Syntax

myMatrix1 = CovarianceUtilities.CalculateMeanAndCovariance(myFormation1, myString1, myArray1);