1 | initial version |

This is possible using hyperplane arrangements, for example:

```
sage: H.<x,y,z> = HyperplaneArrangements(QQ)
sage: ha=H(x, y, x-1, y-1,x+y-z)
sage: ha.plot()
```

Note that you will have to work out the equations of your hyperplanes.

2 | No.2 Revision |

This is possible using hyperplane arrangements, for example:

```
sage: H.<x,y,z> = HyperplaneArrangements(QQ)
sage:
```~~ha=H(x, ~~ha = H(x, y, ~~x-1, y-1,x+y-z)
~~x - 1, y - 1, x + y - z)
sage: ha.plot()

Note that you will have to work out the equations of your hyperplanes.

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