triangle inequality

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triangle inequality

[′trī‚aŋ·gəl ‚in·i′kwäl·ə·dē]
(mathematics)
For real or complex numbers or vectors in a normed space x and y, the absolute value or norm of x + y is less than or equal to the sum of the absolute values or norms of x and y.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Triangle inequalities. Retrieved from http://hotmath.com/learning_activities/ interactivities/triangleInequality.swf
[c.sub.11] = 1 and all other [c.sub.ij]'s follows from the tight triangle inequalities, [f.sub.1] and [f.sub.2] are [element of] and (n + 1) [Epsilon] respectively, for a small number [Epsilon].

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