deananderson's latest activity
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Ddeananderson replied to the thread Vector calculus: line element dr in cylindrical coordinates.Thank you very much!
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Ddeananderson reacted to kuruman's post in the thread Vector calculus: line element dr in cylindrical coordinates with
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To begin with, your expression in step 4 is dimensionally incorrect. All terms in the sum must have dimensions of length because... -
Ddeananderson replied to the thread Vector calculus: line element dr in cylindrical coordinates.My question is for you. The task is to derive ##d\textbf{r}## by differentiating ##\vec{r}## and you used the result ("it is always...
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Ddeananderson replied to the thread Vector calculus: line element dr in cylindrical coordinates.You can't just declare the answer! You have to derive the result using the same process as in any coordinate system: \begin{align}...