Chain Rule

In calculus, the chain rule is a formula for computing the derivative of the composition of two or more functions. That is, if f is a function and g is a function, then the chain rule expresses the derivative of the composite function f ∘ g in terms of the derivatives of f and g.

In integration, the counterpart to the chain rule is the substitution rule.

Read more about Chain Rule:  History, The Chain Rule in Higher Dimensions, Further Generalizations

Famous quotes containing the words chain and/or rule:

    “Man ... cannot learn to forget, but hangs on the past: however far or fast he runs, that chain runs with him.”
    —Friedrich Nietzsche (1844–1900)

    “When great changes occur in history, when great principles are involved, as a rule the majority are wrong.”
    —Eugene V. Debs (1855–1926)