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13.5 - Divergence / Curl: visual
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[13.5] - Divergence / Curl : Visual
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<p>At the point indicated in each graph, estimate both the divergence (negative, postive, or zero) and the curl ($\uv k$ component: negative, positive, or 0).
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<p><b>top left</b>: $\ \ \myv \grad \cdot \myv F = 0;\ \ \myv\grad\times \myv F = 0\ \ \ \ $
<b>top right</b>:  $\ \ \myv \grad \cdot \myv F \gt 0;\ \ \myv\grad\times \myv F = 0$
<p><b>bottom left</b>:  $\ \ \myv \grad \cdot \myv F \lt 0;\ \ \myv\grad\times \myv F = 0\ \ \ \ $
<br><b>bottom right</b>: $\ \ \myv \grad \cdot \myv F = 0;\ \ \myv\grad\times \myv F = \text{[negative number]}\uv k$
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