Is matrix exponential function (expm) problem solved or how to solve?

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hao
hao 2014 年 8 月 8 日
回答済み: Walter Roberson 2015 年 11 月 22 日
As mentioned in Cleve's blog A Balancing Act for the Matrix Exponential, Is this kind of problem solved for expm funcation? I tested the case in MATLAB 2012 and 2013, they still generated the same wrong results written in Cleve's blog.

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Walter Roberson
Walter Roberson 2015 年 11 月 22 日
R2015b has improvements in expm() and related routines such as logm()

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