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Preferred Labelskos:prefLabel: FT50_3
URI: https://standards.isotc211.org/19157/-3/1/dqc/content/formulaType/FT50_3 ↗Go to the persistent identifier link
Within Vocab: ISO19157-3 quality measures

Definitionskos:definition	$b = \sqrt{\frac{1}{2} (σ_{x_{k}}^{2} + σ_{y_{k}}^{2} + \sqrt{(^{σ_{x_{k}}^{2} - σ_{y_{k}}^{2}) 2} + 4 σ_{x_{k} x_{k}}^{2}})}$
has broaderbroader	MD50 Calculation of uncertainty ellipse parameters by eigenvalues from a given covariance matrix (https://standards.isotc211.org/19157/-1/1/dqc/content/qualityMeasure/32) of 2D point coordinates.
Formula KeyformulaKey	Calculation of the uncertainty ellipse's minor semi-axis length.
LanguageformulaLanguage	https://standards.isotc211.org/19157/-3/1/dqc/content/formulaType/MathML
Lang. VersionformulaLanguageVersion	1.0
SequenceformulaSequence	3

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