halfway into this realize both "approaches" are the same thing and why it works is trivially obvious
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having not done math for awhile there is an annoying amount of "wtf wtf wtf oh right"
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End of conversation
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This is my life as a data scientist. Starts learning new method -> "I kind of remember this math?" -> realizes that the math I just beat my head with would have been trivial if I had remembered some basic equivalency -> rinse and repeat.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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