BUILT-IN WOLFRAM LANGUAGE SYMBOL

None

None
is a setting used for certain options.

ExamplesExamplesopen allclose all

Basic Examples  (4)Basic Examples  (4)

For ContourPlot, use None to only show the contour lines:

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Plot only mesh lines:

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Use None to indicate holes or no content for mesh regions:

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Use None to indicate no vertex labels should be used:

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Introduced in 1988
(1.0)