Ok, but when operators were formulated, how did this new way of looking at things do away with infinitesimals?
I guess I'm actually curious about the difference in how the two forms are defined.
Is there a difference in their definitions?
hi,
In a discussion of the historical motivations for a move from calculus to operators, my QM book says...
"Many mathematicians were uncomfortable with the 'metaphysical implications' of a mathematics formulated in terms of infinitesimal quantities (like dx). This disquiet was the stimulus...