Magnitude
Revision as of 22:32, 19 February 2022 by Orange quail 9 (talk | contribs)
A magnitude is a measure of the size of a mathematical entity. For example, the magnitude of a complex number is the distance from the number (graphed on the complex plane) to the origin, a measure of the size of a complex number. The magnitude is generally a positive real number.
Formulaically, the magnitude of a real number is its absolute value
, sometimes written
. The magnitude
of a complex number
equals
. Both types of magnitude are bound by a form of the Triangle Inequality which states that
.
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