Error using fwrite : Cannot write value: sparse arrays are unsupported.

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Nguyen Van Hieu 2021-5-7

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评论： Nguyen Van Hieu 2021-5-7

采纳的回答： Bruno Luong

Is there any way to save a sparse matrix into a binary file?

I cannot convert from the sparse matrix to dense matrix because of the limitation in memory. I have to use a large sparse matrix sparse(1e5,1e5).

Thank you in advanced!

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采纳的回答

Bruno Luong 2021-5-7

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https://ww2.mathworks.cn/matlabcentral/answers/823885-error-using-fwrite-cannot-write-value-sparse-arrays-are-unsupported#answer_694105

在 MATLAB Online 中打开

[i,j,v] = find(S);

then save i,j,v with fwrite

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Nguyen Van Hieu 2021-5-7

It works.

Thank you!

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