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selectdata
Select data on the current figure
Description `

    [XS YS] = selectdata selects part of the current curve by drawing a
    polygon. Double click to exit.

    [XS YS] = selectdata(H) allows to select part of the curve specified by
    the handle H (eg, GCF, GCO etc). GCF, the current figure, is taken by
    default, so that the first curve of the figure is used.

    [XS YS] = selectdata(H,'show') also shows the data selected.

    selectdata(H,'keep') deletes the data outside the polygon.
    selectdata(H,'del') deletes the data inside the polygon.
    (these two operations are not reversible).

See Also

    pickdata, selectfit, drawpolygon.

`

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