NULL MATRIX - Trace of matrix - Identity matrix

零矩陣- 維基百科，自由的百科全書

在數學中，特別是在線性代數中，零矩陣即所有元素皆為0的矩陣。一些零矩陣的例子：. 0 1 , 1 = [ 0 ] , 0 2 , 2 = [ 0 0 0 0 ] , 0 2 , 3 = [ 0 0 0 0 0 0 ] .

What is a null/zero matrix?

A null matrix, also known as a zero matrix, is a matrix in which all the elements are zero. It is denoted by 0 or O.

Flexi answers

A null matrix, also known as a zero matrix, is a matrix in which all the elements are zero. It is denoted by 0 or O. It is a special type of matrix and 

Zero matrix

0 is called a zero, or null, matrix. A square matrix A with 1s on the main diagonal (upper left to lower right) and 0s everywhere else is called an identity, 

Zero matrix

In mathematics, particularly linear algebra, a zero matrix or null matrix is a matrix all of whose entries are zero. It also serves as the additive identity 

Zero Matrix (Null Matrix): Definition, Formula & Properties

A zero matrix is one in which each of the elements is 0. The zero matrix, often known as a null matrix, has a variable number of rows and