Partial Differential Equation Toolbox |

pdecirc

Draw circle

Syntax

-     pdecirc(xc,yc,radius)
      pdecirc(xc,yc,radius,label)

Description

`pdecirc(xc,yc,radius)` draws a circle with center in `(xc,yc)` and radius `radius`. If the `pdetool` GUI is not active, it is automatically started, and the circle is drawn in an empty geometry model.

The optional argument `label` assigns a name to the circle (otherwise a default name is chosen).

The state of the Geometry Description matrix inside `pdetool` is updated to include the circle. You can export the Geometry Description matrix from `pdetool` by using the Export Geometry Description . . . option from the Draw menu. For a details on the format of the Geometry Description matrix, see `decsg`.

Examples

The command below starts `pdetool` and draws a unit circle.

-     pdecirc(0,0,1)

See Also

`pdeellip`, `pdepoly`, `pderect`, `pdetool`

| pdecgrad |  | pdecont |