How to add error bars to a 3D graph

There is no default function to put error bars on 3d graphs, so please tell me how to put error bars on 3d graphs.

Answer 1

[Dyuman Joshi]

You can plot vertical bars on each data point -

x = 0:0.5:10;
y = 2*sin(x);
z = 3*cos(x);

%Define the upper and lower error values
el = abs(z/10)+0.2;
eu = abs(z/5)+0.1;

figure
plot3(x,y,z, 'k-')
hold on
plot3([x;x], [y;y], [z;z]+[-el;eu], '-r')