Schieberegler

t_1 = 4 (slider from 0 to 10, step 1)
m_1 = 1 (slider from 0 to 3, step 0.1)
t_2 = 2 (slider from 0 to 10, step 1)
m_2 = 2 (slider from 0 to 3, step 0.1)
b: 1.0 * 1.0 * 1.0 * 1.0 y = m_2 * 1.0 * 1.0 * 1.0 * 1.0 x + t_2
a: 1.0 * 1.0 * 1.0 y = m_1 * 1.0 * 1.0 * 1.0 x + t_1
S = Intersect(b, a)