Hyperbolic Paraboloid

eq1: x^(2) - y^(2) - z = 0
k = -2.5 (slider from -2.5 to 3, step 0.5)
p: x = k
m = 2 (slider from -5 to 5, step 0.1)
q: y = m
n = 3 (slider from -7 to 7, step 0.5)
r: z = n
c = IntersectPath(r, eq1)
d = IntersectPath(p, eq1)
e = IntersectPath(q, eq1)