Ex.#4 Financial system Fluctuations in the price of zero-coupon bonds t=0 Time of purchase at price yo t=t Time of maturity at value yr y(t=values of bond at time t t=Influence of external factors on fluctuations in bond price dt x1(t),x2(),,xmN(t),t (①)=ym Observation: Even if the independent variable is time. there are interesting and important systems which have boundary conditions
Ex. #4 Financial system Observation: Even if the independent variable is time, there are interesting and important systems which have boundary conditions. Fluctuations in the price of zero-coupon bonds t = 0 Time of purchase at price y0 t = T Time of maturity at value yT y(t) = Values of bond at time t x(t) = Influence of external factors on fluctuations in bond price
Ex.#5 a rudimentary edge detector n+1]-2x{n]+x{n-1 econd difference,(e This system detects changes in signal slope (a)x{m]=m→9m]=0 (b)[m]=m[m] 0123 0
• A rudimentary “edge” detector • This system detects changes in signal slope Ex. #5 0 1 2 3