如何清除Mat文件的变量? [英] How to clear variables of a mat file?

问题描述

我有一个名为save.mat的mat文件，其中有两个变量.我想清除变量并添加其他一些变量.如何清除/添加Mat文件中的变量?

I have a mat file, named save.mat, which has two variables. I want to clear the variables and add some other variables. How could I clear/add variables inside a mat file?

最佳

推荐答案

@excaza提出了很好的建议.要验证matfile命令是否按照建议的方式工作，请尝试以下操作:

@excaza has made a good recommendation, I think. To verify that the matfile command works as suggested, try the following:

filename = ('file.mat');
m = matfile(filename,'Writable',true);

y = 23;
m.y = y;
clear y
load(filename);
display(y);

y = 24;
m.y = y;
clear y
load(filename);
display(y);

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