0
$\begingroup$

enter image description here

That is what l want,but l can only use Show,Plot3D to get something just like this

enter image description here

What should l do?Thanks~

$\endgroup$
  • 1
    $\begingroup$ First of all you should post a Mathematica code for those who might wish to help you without wasting their time $\endgroup$ – Alexei Boulbitch Feb 5 '15 at 9:56
3
$\begingroup$

Try this:

 Show[{
  Plot3D[x^2, {x, -2, 2}, {y, -2, 2}],
  ParametricPlot3D[{x, 0, x^2 + 0.15}, {x, -2, 1.9}, 
    PlotStyle -> Arrowheads[0.07]] /. Line -> Arrow

    }]

yielding

enter image description here

Have fun!

$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.