当输入的复数的实部和虚部都存在时两者的结果相差甚远,当实部为0或者虚部为0时,结果基本一样(有效数字最后一位不一样,精度问题),求大神解惑
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没有在matlab上用过,建议LZ用简单的FFT(比如2点或者4点)来测试下是什么原因导致。