Half line definitions

Half-line

{th: t >= 0}, where h is in R^n such that h not= 0 (some state h =1, without loss in generality). Note the half-line is rooted at the origin -- see ray for translation.
Found on http://glossary.computing.society.informs.org/index.php?page=H.html

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half-line

A ray.
Found on http://www.daviddarling.info/encyclopedia/H/half-line.html

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Half-Line

part of a line bounded by a caesura or some upper limit of syllables or stresses.
Found on http://www.encyclo.co.uk/local/22429

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