Root-mean-square: Difference between revisions

Revision as of 19:03, 16 July 2007

The root-mean square or quadratic mean of a collection of real numbers $x_1,\dots , x_n$ is defined to be $\sqrt{\frac{x^2_1+x^2_2+\dots+x^2_n}{n}}$ . This is the second power mean of the $x_i$ .

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-The '''root-mean square''', or ''quadratic mean'', of any positive real numbers <math>x_1,\dots , x_n</math>, is
+The '''root-mean square''' or ''quadratic mean'' of a collection of [[real number]]s <math>x_1,\dots , x_n</math> is defined to be <math>\sqrt{\frac{x^2_1+x^2_2+\dots+x^2_n}{n}}</math>.  This is the second [[power mean]] of the <math>x_i</math>.
-<math>\sqrt{\frac{x^2_1+x^2_2+\dots+x^2_n}{n}}</math>
+== See Also ==
+* [[RMS-AM-GM-HM]] [[inequality]]
+* [[Power Mean Inequality]]
+{{stub}}

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Root-mean-square: Difference between revisions

Revision as of 19:03, 16 July 2007

See Also