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  • License: Freeware
  • Last update: 6 years ago
  • Total downloads: 118
  • Price: Free |
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: Joshua Carmichael (12 other programs)
See full specifications

scripts default iconwvfrms2bases (Scripts) Publisher's description

Computes an orthogonal basis from a given criteria.

Computes an orthogonal basis from a given criteria. Options are identical
to those of sortwvfrms: basis are computed by signal width, localization, and
noise. The vectors are sorted by the given criteria, projected onto a
subspace orthogonal to the previously sorted vectors, and sorted in that
subspace, then projected, etc. For example, in the case that 'width' is
used as a sorting option, this function first finds the most 'compact'
waveform among the entire set: that is, the waveform with with the smallest
width. It then projects the matrix of data X onto a subspace orthogonal to
this waveform. The function then finds the waveform with the smallest width
in this subspace, and projects the data onto a subspace orthogonal to it, and
so on. The end result is a basis for X formed of vectors with progressively
broader signal widths. The pdf option finds the 'least noisy' data, as another


X: a matrix of whose columns form a set of linearly independent
sortopt: (optional) a string. Can be either 'width', 'erg' or 'pdf'.
Default is 'width'. This option is what sorts the data. See
above for an explanation or website below.
plotopt: (optional) a string. 'plot' produces a plot. Anything else

U: an orthonormal matrix. The columns are ordered by the user specifed
criteria. In the case that sortopt = 'width', the first column of U,
given by U(:,1), has the smallest signal width. The next column has
the smallest width among all other vectors in the subspace of
functions orthogonal to U(:,1).


See also http://www.ess.washington.edu/~joshuadc for downloading this.

System Requirements:

MATLAB 7.3 (R2006b)
Program Release Status: Major Update
Program Install Support: Install and Uninstall

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