Definition:Gradient Operator/Historical Note

From ProofWiki
Jump to navigation Jump to search

Historical Note on Gradient Operator

During the course of development of vector analysis, various notations for the gradient operator were introduced, as follows:

Symbol Used by
$\nabla$ Josiah Willard Gibbs and Edwin Bidwell Wilson
Oliver Heaviside
Max Abraham
Vladimir Sergeyevitch Ignatowski
$\grad$ Hendrik Antoon Lorentz
Cesare Burali-Forti and Roberto Marcolongo


Sources