FF = addnoisef(F) adds 10% white noise to the vector/scalar field(s) F.
FF = addnoisef(F, EPS) specifies that the standard deviation of the
white noise is EPS times that of the field(s) F (EPS=0.1 by default).
FF = addnoisef(F, EPS, OPT) specifies whether the noise is additive
(OPT='add', by default) or multiplicative (OPT='mul').
FF = addnoisef(F, EPS, OPT, N) first filters the noise at scale N (in
mesh units) with gaussmat before adding/multiplying it to the field(s)
F.
Example: showvec(addnoisef(loadset));
F. Moisy
Revision: 1.0, Date: 2005/10/29.
See Also
operf, randvec, gaussmat.