How to define an empty matrix with a certain number of rows and columns in Matlab

Matlab How to define an empty matrix with a fixed number of rows and columns? To create an empty matrix with a specified number of rows and columns, Matlab provides convenient methods that will save you a lot of time and effort. This article gives you a detailed introduction to how to define an empty matrix using Matlab, including different methods of setting a specific size and initializing elements to zero. Read on to learn how to use the zeros, ones, rand, and randn functions to create an empty matrix that meets your specific needs.

First of all, you need to know that the Matlab hollow matrix has no length, such as a=[],

You can use ones(2,4)*nan to achieve rows An empty matrix with a determined number and number of columns,

After pressing the Enter key, you can see that an empty matrix with 2 rows and 4 columns has been created,

You can also enter zeros(3,5)*nan to achieve an empty matrix with a determined number of rows and columns.

Press the Enter key and you can see that a 3 is created Empty matrix with rows and columns.

Dear friends who have just come into contact with Matlab software, after learning the method of Matlab defining an empty matrix with a certain number of rows and columns in this article, do you think it will be easier to operate in the future?

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