Schieberegler

m_1 = -3 (slider from -4 to 5, step 1)
t_1 = 1.5 (slider from -3 to 7, step 0.5)
m_2 = 2 (slider from -4 to 6, step 1)
t_2 = 1 (slider from -3 to 7, step 0.5)
a: 1.0 * 1.0 * 1.0 y = m_1 * 1.0 * 1.0 * 1.0 x + t_1
b: 1.0 * 1.0 * 1.0 y = m_2 * 1.0 * 1.0 * 1.0 x + t_2
L_1: {}