From: Anatoliy Dream on
Parametric function "ezplot3" and "hold on" not working well together. Command "hold on" is ignored. Whats wrong?
Matlab ver. 6.5
Best regards, Anatoly.

in exapmle:

syms t;
hold on;
ezplot3(sin(t), cos(t), t,[0,6*pi] );
hold on;
ezplot3(2*sin(t), 3*(t), t,[0,4*pi]);