2d function in 3d

i need to show this function y = x^2 in 3d in matlab

Answer 1

[Star Strider]

Try this:

x = [1;1] * linspace(-4, 4, 25) ;
y = x.^2;

figure(1)
surf(x, y, [zeros(size(x(1,:))); 5*ones(size(x(1,:)))], 'EdgeColor','b')
grid on
view(-75, 45)

EDIT — Added plot.

[felix jose chavez torres]

thanks!!

[Star Strider]

As always, my pleasure!

Answer 2

[Nicolas Schmit]

https://www.mathworks.com/help/matlab/2-and-3d-plots.html