Div, Grad, and Curl: Vector Calculus Building Blocks for PDEs [Divergence, Gradient, and Curl]
This video introduces the vector calculus building blocks of Div, Grad, and Curl, based on the nabla or del operator. These operators encode physically intuitive notions of rate of change, local divergence, and local rotation.
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This video was produced at the University of Washington
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0:00 Introduction & Overview
1:20 The Del (or Nabla) Operator
4:49 The Gradient, grad
6:16 The Divergence, div
8:55 The Curl, curl