plwidth: Set pen width

`plwidth`: Set pen width
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#### `plwidth`: Set pen width

`plwidth (` | width `)`;

Sets the pen width.

`width` (``PLFLT``, input)

  The desired pen width. If ``width`` is negative or the same as the previous value no action is taken. ``width` = 0.` should be interpreted as as the minimum valid pen width for the device. The interpretation of positive ``width`` values is also device dependent.

Redacted form: `plwidth(width)`

This function is used in examples 1 and 2.

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`plw3d`: Configure the transformations required for projecting a 3D surface on a 2D window | Home | `plwind`: Specify window