Rootmeansquare level
Y = rms(X)
Y = rms(X,DIM)
returns
the rootmeansquare (RMS) level of the input, Y
= rms(X
)X
.
If X
is a row or column vector, Y
is
a realvalued scalar. For matrices, Y
contains
the RMS levels computed along the first nonsingleton dimension. For
example, if X
is an NbyM matrix
with N > 1, Y
is
a 1byM row vector containing the RMS levels of
the columns of X
.
computes
the RMS level of Y
= rms(X
,DIM
)X
along the dimension, DIM
.

Real or complexvalued input vector or matrix. By default, 

Dimension for RMS levels. The optional Default: First nonsingleton dimension 

Rootmeansquare level. For vectors, 
[1] IEEE^{®} Standard on Transitions, Pulses, and Related Waveforms, IEEE Std 181, 2003.