3 ms·

Wikipedia explains the basics https://en.m.wikipedia.org/wiki/Del https://en.m.wikipedia.org/wiki/Del and the related articles on gradient (slope), divergence

by lupire 2y ago

Wikipedia explains the basics https://en.m.wikipedia.org/wiki/Del https://en.m.wikipedia.org/wiki/Del and the related articles on gradient (slope), divergence (flow across a boundary), and curl (circulation)