I am given the function f[x, y] = x^2 + y^2. I then have to plot the planes that are tangent to this surface at certain points. I have no problem with that, but I am then asked to use Manipulate to create an interactive plot where the tangential plane moves as I move the slider. How do I do this?

  • $\begingroup$ You might want to look up Slider2D[]. $\endgroup$ Oct 8, 2016 at 21:42
  • $\begingroup$ What have you done, where are you stuck? $\endgroup$
    – anderstood
    Oct 8, 2016 at 22:07
  • $\begingroup$ OP does not respond but instead of closing it as plain off topic I will link an answer which seems to do what OP wanted. The full topic is not very related but the second answer is: mathematica.stackexchange.com/a/38900/5478 $\endgroup$
    – Kuba
    Apr 13, 2018 at 8:10


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