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# Octave 常用函数
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2020-03-19 15:09:06 +08:00
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2021-01-28 11:55:47 +08:00
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```m
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A=bitshift(A，k) % 返回移位了 k 位的 A 的值。当 K>0 时左移，当 k<0 时右移。
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seconds=time() % Return the current time as the number of seconds since the epoch.
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t=now() % Return the current local date/time as a serial day number (see datenum).
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```
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