To specify the root angle, you can give a real number such as $0.25$ (which will be reduced into the range $-0.5 < \alpha \le 0.5$), a range of real numbers such as $0.1-0.6$, or a rational number such as $1/4$.

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**Knowl status:**

- Review status: beta
- Last edited by David Roe on 2021-04-30 15:53:40

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