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2Â¥: Originally posted by hyit_lxq at 2011-11-21 21:07:45:
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During the execution of the indicated command, an attempt was made to raise a non-positive number to a fractional power, e.g.  (-3)**2.5.  The result has been set to the system-missing value.
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7Â¥: Originally posted by wurongjun at 2011-11-22 19:57:12:
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