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Total Differential of the First Order
The total differential of a function of two variables is given by definition:
. Then its total increment is given by
, where
and
as
. The differential
is the principal part of
, which means that
more rapidly than
as
.
Contributed by:
Izidor Hafner
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Total Differential of the First Order
" from
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http://demonstrations.wolfram.com/TotalDifferentialOfTheFirstOrder/
Contributed by:
Izidor Hafner
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