x - IfB

Other techniquesRelaxation method: f( x) 0 x g ( x , j i), i 1,...,Ni i jStart with x i (0) and iterate: x i (t+1) = g i (x j (t)).Gradient methods:1. Steepest descent2. Conjugate gradient86Ordinary differential equationsFirst order ODE, initial value problem:dydt f( y, t)with y (t 0 ) = y 0examples:radioactive decaycoffee coolingdTdtdNdtN( T T)room87