# Questions tagged [vector-calculus]

Questions on dealing with vector calculus functions of Mathematica such as Grad, Div, Curl, Laplacian and their representations in various coordinate systems.

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### numerical gradient of an array

I have 2D arrays of numeric data and I would like to calculate the vector gradient of these arrays. I would like to achieve something like the 'gradient' function of MatLab: https://www.mathworks....
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### Trouble with ListVectorPlot3D

I am trying to visualize a complex vector field. However, I seem to have difficulty with the usage of ListVectorPlot3D. The following example works in two dimension,...
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### ParametricRegion3D is not working well

I am trying to define a region along a space curve where I will display the vector field. My space curve is obtained by numerical integration and defined by Interpolating functions. It is hard to post ...
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### ListVectorPlot on a section of a circle

Can anyone help, why ListVectorPlot and ListStreamPlot show vectors and streamlines lying outside the allowed domain? Here is my Mathematica code: ...
For my Calc III class, I need to find $T(t)$, $N(t)$, and $k(t)$ using Mathematica, given $r(t) = {sqrt(t), (1/2)t^2, t^3 - (5/2)t^2 - 17}$. While the former and latter have been found, attempting to ...