python矩陣中插入矩陣

The sum of diagonal elements of a matrix is commonly known as the trace of the matrix. It is mainly used in eigenvalues and other matrix applications. In this article, we are going to find the trace of a matrix using inbuilt function numpy.trace(a).

矩陣的對角元素之和通常稱為矩陣的跡線。 它主要用于特征值和其他矩陣應用中。 在本文中，我們將使用內置函數(shù)numpy.trace(a)查找矩陣的軌跡 。

Python代碼查找矩陣的痕跡 (Python code to find trace of a matrix)

# Linear Algebra Learning Sequence # Trace of matriximport numpy as npprint('Trace of an 3x3 identity matrix : ', np.trace(np.eye(3)))a = np.arange(9).reshape((3,3))print(' Matrix a :\n', a) print('Trace of Matrix a : ', np.trace(a))

Output:

輸出：

Trace of an 3x3 identity matrix : 3.0Matrix a :[[0 1 2][3 4 5][6 7 8]] Trace of Matrix a : 12

翻譯自: https://www.includehelp.com/python/trace-of-a-matrix.aspx

python矩陣中插入矩陣

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