An array variable holds a pointer to an array object, which holds the array elements and the rank and length information.

数组变量保存指向数组对象的指针，而数组对象保存的是数组元素、秩和长度信息。

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Proposes an algorithm of bi-iteration subspace tracking using instrumental variable, and it is a bi-iterate rank-one update model.

提出了一种运用辅助变量的双迭代子空间跟踪方法。

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Once you declare an array variable, you cannot change its rank or its element data type.

宣告阵列变数后，就不可再变更其阵序或其元素资料型别。

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