Hyperboloids of 1 Sheet Whose Axis is the y-axis

This is the equation of a hyperboloid of 1 sheet whose axis is the y-axis

> hypery:=x^2/a^2-y^2/b^2+z^2/c^2=1;

Let's check it out for a=1, b=2, and c=3

> hypery1:=subs({a=1,b=2,c=3},hypery);

>

Plot of the hyperboloid "hypery1"