Sometimes you need to save matrices in Matlab®. For example, you created a matrix according to data that you are collecting in Matlab®, what you need to do is save the data that you collected as a matrix file. You can load this saved matrix whenever you want into Matlab®. The extension of the matrix is .mat. In this article, we will show you how to save matrices created in Matlab®.
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>> A(1,1)=1; A(1,2)=3; A(1,3)=5; A(2,1)=7; A(2,2)=8; A(2,3)=11; A(3,1)=100; A(3,2)=1; A(3,3)=4 A = 1 3 5 7 8 11 100 1 4 >>
For example, we want to save the created matrix above as “Factors” to the D: directory. Type “save D:\Factors” then press enter. This matrix will be saved to the D: directory with the name of “Factors”.
>> A(1,1)=1; A(1,2)=3; A(1,3)=5; A(2,1)=7; A(2,2)=8; A(2,3)=11; A(3,1)=100; A(3,2)=1; A(3,3)=4 A = 1 3 5 7 8 11 100 1 4 >> save D:/Factors
We wrote the save command for this matrix in Matlab® then we pressed Enter.
The Factors matrix file is saved as shown by the red arrow above. You can open this by typing “load D:\Factors” then press enter to load it in Matlab®.
As you can see, we typed “load D:\Factors” to the command window in Matlab®, then the related matrix is opened at Workspace that is shown by the red arrow above.
The saving and loading of a matrix in Matlab® are simple like that.
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This article is prepared for completely educative and informative purposes. Images used courtesy of Matlab®
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