Chain Rule - History

History

The chain rule seems to have first been used by Leibniz. He used it to calculate the derivative of as the composite of the square root function and the function . He first mentioned it in a memoir with various mistakes in it. The common notation of chain rule is due to Leibniz. L'Hôpital uses the chain rule implicitly in his Analyse des infiniment petits but also does not state it explicitly. The chain rule does not appear in any of Leonhard Euler's analysis books, even though they were written over a hundred years after Leibniz's discovery.

Read more about this topic:  Chain Rule

Famous quotes containing the word history:

    Tell me of the height of the mountains of the moon, or of the diameter of space, and I may believe you, but of the secret history of the Almighty, and I shall pronounce thee mad.
    Henry David Thoreau (1817–1862)

    ... all big changes in human history have been arrived at slowly and through many compromises.
    Eleanor Roosevelt (1884–1962)

    Certainly there is not the fight recorded in Concord history, at least, if in the history of America, that will bear a moment’s comparison with this, whether for the numbers engaged in it, or for the patriotism and heroism displayed.
    Henry David Thoreau (1817–1862)