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Why I got a complex number rather than a real number in the program as below?

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Shawn Miller
Shawn Miller 2016-2-18
关闭： MATLAB Answer Bot 2021-8-20
q=@(x)(x-1.0).^(1.0./5.0).*5.0+5.0;
q(rand);

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Steven Lord
Steven Lord 2016-2-18
You're asking for the fifth root, not the cube root, but the explanation is the same as in this previous Answer.

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