beautiful matrix equality the determinant of a matrix exponential is equal to the exponential of the tracepic.twitter.com/RIzBqHzpJ9
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Is it always well defined? Does the expression below make sense? Afaik it only works on square matrices.pic.twitter.com/22ilJLLerW
I still don’t see how this relates to your original claim.. you can’t just use something outside of its domain of definition That’s like complaining that umbrellas don’t make peanut butter sandwiches
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Not complaining. I like the umbrella analogy. In French "Parasol", protects from the sun & "Parapluie" from the rain. The terms are well defined from the greek prefix "para" & the Latin "sol" & "pluvia". You can use a
for both but we lose information, just like using the "e". -
"The plan, the great idea, is this: abstraction & generalization. From the whole structure of algebra, rules plus integers, we abstract the original definitions of addition and multiplication."- Feynman For a computer scientist e^{} is a leaky abstraction! http://www.feynmanlectures.caltech.edu/I_22.html pic.twitter.com/HSGxKQ1nmT
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