2.3.2. Example: Symbolic Differentiation
Exercise 2.56

Basic differentiator

Show how to extend the basic differentiator to handle more kinds of expressions. For instance, implement the differentiation rule

2.56

by adding a new clause to the deriv program and defining appropriate procedures exponentiation?, base, exponent, and make-exponentiation. (You may use the symbol ** to denote exponentiation.) Build in the rules that anything raised to the power 0 is 1 and anything raised to the power 1 is the thing itself.



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