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Choose Differentiation Function

MuPAD® provides two functions for differentiation. The choice of the function depends on which type of object you want to differentiate. To differentiate mathematical expressions, use the diff command. For example:

diff(cos(x), x);
diff(x^3, x)

To differentiate a function or functional expression, use D or its shortcut '. Using this command, you can differentiate any standard mathematical function or your custom created function. For example:

D(cos);
f := x -> x*sin(x):
f'

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