Geometric calculus relationships to differential forms, and vector calculus identities.
[Click here for a PDF version of this post] Motivation. I was asked about the geometric algebra equivalents of some of the vector calculus identities from [1]. I’ll call the specific page of those calculus notes “the article”. The article includes identities like \begin{equation}\label{eqn:formAndCurl:20} \begin{aligned} \spacegrad (f g) &= f \spacegrad g + g \spacegrad f \\ \spacegrad \cross (f…
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