MATLAB is faster for my large system of ODEs?

help?> LinearAlgebra.exp!
│ Warning

│ The following bindings may be internal; they may change or be removed in future versions:

│ • LinearAlgebra.exp!

Should be made public?

Yes, the in-place version is nice to have. The devs may have their reasons for not exporting it, but there’s also ExponentialUtilities.jl with multiple exponential! algorithms including Higham (2008).

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