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

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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.

Answers (1)

Walter Roberson
Walter Roberson on 22 Nov 2015
R2015b has improvements in expm() and related routines such as logm()

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