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 | 1 | initial version |
As another option, you can define side as follows:
side(u) = 2*unit_step(u) - 1
Hence
sage: [side(a) for a in range(-2,3)]
[-1, -1, 1, 1, 1]
| | 1 | initial version |
As another option, you can define side as follows:
side(u) = 2*unit_step(u) - 1
Hence
sage: [side(a) for a in range(-2,3)]
[-1, -1, 1, 1, 1]
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