我可以使用Numpy获取矩阵行列式吗? [英] Can I get the matrix determinant using Numpy?

问题描述

我在Numpy手册中读到，有一个函数det(M)可以计算行列式.但是，我在Numpy中找不到det()方法.

I read in the manual of Numpy that there is function det(M) that can calculate the determinant. However, I can't find the det() method in Numpy.

顺便说一句，我使用Python 2.5. Numpy应该不会有兼容性问题.

By the way, I use Python 2.5. There should be no compatibility problems with Numpy.

推荐答案

您可以使用

You can use numpy.linalg.det to compute the determinant of an array:

In [1]: import numpy

In [2]: M = [[1, 2], [3, 4]]

In [3]: print numpy.linalg.det(M)
Out[3]: -2.0000000000000004

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