] gives the total derivative .
] gives the total differential .
] gives the multiple derivative .
, ... ] gives .
, ... ,
] specifies that the are constants, which have zero total derivative.
Symbols with attribute Constant are taken to be constants, with zero total derivative.
If an object is specified to be a constant, then all functions with that object as a head are also taken to be constants.
All quantities not explicitly specified as constants are assumed to depend on the .
Example: Dt[x y].
Dt[x y, Constants ->
You can specify total derivatives by assigning values to Dt[
See the Mathematica book: Section 1.5.2, Section 3.5.2.
See also: D, Derivative.
This gives the total derivative of with respect to x.
This gives the total differential.
This gives the second derivative with respect to x.
This gives a multiple derivative.
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