Figure 1 shows a semicircle of radius r=1.2 meters. Find the temperature distribution over the surface by solving ?2 u=0 numerically in polar coordinates. Use ?r=10 cm and ??= ?/8

u=80 .C r=1.2 m u=0 ' C Figure 1: Semicircle plate with zero temperature at its bottom and 80 C at its circular boundary\f