请教maple求矩阵的行列式
本帖最后由 vettelkimi 于 2012-12-3 11:26 编辑要用maple求一个矩阵的行列式，所用的代码如下：
with(LinearAlgebra)
m := matrix(3, 3, )；
n := Determinant(m);
会报错：Error, (in LinearAlgebra:-Determinant) invalid input: LinearAlgebra:-Determinant expects its 1st argument, A, to be of type Matrix(square) but received m。
求教大大们问题在哪啊？
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