matlab数组相邻两项z之差

在MATLAB中，可以使用diff函数来计算数组相邻两项之差。diff函数的调用格式为：diff(Z)，其中Z是要计算差值的数组。diff函数将返回一个新的数组，该数组的元素是原始数组相邻两项之差。
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