Save and load in same file

2017 12 25
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更新时间：2017 12 26
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Could please help me , i have several m1.mat,m2.mat,......mn.mat ; i add new row for m1.mat then save if by typing save m1 or save Workspace , then i repeat these steps for m2 , but when i return back to use m1 , i found it has old values before changing .

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Walter Roberson
Walter Roberson 2017-12-25

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ds = load('m1.mat');
ds.m1(end+1,:)=newdata;
save('m1.mat','ds','-struct')

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lotus whit
lotus whit 2017-12-25
Thank you for your response, but i have this error: Error using save The -STRUCT option must be followed by the name of a scalar structure variable.
Walter Roberson
Walter Roberson 2017-12-25
save('m1.mat', '-struct', 'ds')
lotus whit
lotus whit 2017-12-26
编辑：lotus whit 2017-12-26
Thanks it is working

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