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#MatrixExponential

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Jitse Niesen

I really enjoyed the paper

Oteo & Ros, Why Magnus expansion?, URL: doi.org/10.1080/00207160.2021. (paywall)

and not just because it cites a paper of mine (though it does help!)

It's a historical/personal reflection on the Magnus expansion, a series solution to the differential equation x′(t)=A(t)x(t) which I describe below the fold. (1/n, n≈7)

Taylor & FrancisWhy Magnus expansionA short story about the origins of Magnus Expansion, why we got involved and how it led us to meet Geometric Integration. We present a biographical draft of Wilhelm Magnus, a sketchy discussion of ...
#MagnusExpansion#DifferentialEquations#MatrixExponential
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