Programmer Guide/Command Reference/EVAL/interp: Difference between revisions

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Create an interpolated copy of the vector <var>x</var>.
Create an interpolated copy of the vector <var>x</var>.
;Usage:<code>interp(<var>x</var>, <var>n</var>, <var>type</var> {, <var>mv</var>})</code>
;Usage:<code>interp(<var>x</var>, <var>n</var>, <var>type</var> {, <var>mv</var>})</code>
:;<var>x</var>the vector to be interpolated
:;<var>x</var>:vector to be interpolated
:;<var>n</var>the length of the interpolated vector; the interpolated vector can be shorter or longer than the original
:;<var>n</var>:length of the interpolated output vector; the interpolated vector can be shorter or longer than the original
:;<var>type</var>:the type of interpolation to perform; currently only linear interpolation (''type''='''0''') is supported.
:;<var>type</var>:the type of interpolation to perform; currently only linear interpolation (''type''='''0''') is supported.
:;<var>mv</var>:the value to use for 'missing values'. If mv is given, then interpolation is stopped when <code>''x''[i] = ''mv''</code>. This means that the sections without missing values are individually interpolated. If ''mv'' is not supplied, the whole vector ''x'' is interpolated.
:;<var>mv</var>:the value to use for 'missing values'. If mv is given, then interpolation is stopped when <code>''x''[i] = ''mv''</code>. This means that the sections without missing values are individually interpolated. If ''mv'' is not supplied, the whole vector ''x'' is interpolated.

Revision as of 11:02, 21 April 2011

Create an interpolated copy of the vector x.

Usage
interp(x, n, type {, mv})
x
vector to be interpolated
n
length of the interpolated output vector; the interpolated vector can be shorter or longer than the original
type
the type of interpolation to perform; currently only linear interpolation (type=0) is supported.
mv
the value to use for 'missing values'. If mv is given, then interpolation is stopped when x[i] = mv. This means that the sections without missing values are individually interpolated. If mv is not supplied, the whole vector x is interpolated.
Result
The interpolated vector y with length n.
See also
rpolyreg, qinterp, map2map

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