left-continuous function
left-continuous function
[′left kən¦tin·yə·wəs ′fəŋk·shən] (mathematics)
A function ƒ(x) of a real variable is left-continuous at a point c if ƒ(x) approaches ƒ(c) as x approaches c from the left, that is, x c only.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.